房屋壽命究竟多長？這個問題盡管沒法找到準確答案，但我們堅信設計既然能改變生活，當然也能延長房子的“使用壽命”。

How long does a house typically last? It is impossible to provide a precise response to this topic. Nonetheless, we are confident that design can extend the "lifespan" of a home, just as it can improve lives.

這套125m2的房子位于北京海淀區，一家三口未來至少15年的生活都要在這里度過，同時業主有二胎計劃，設計師的目的不僅是要讓房子在接下來的十幾年，能夠為一家人的生活持續提供便利和舒適，還要有隨時應對二胎、三世同堂的準備。

This 125-square-meter home is located in Beijing's Haidian District. The three-member family will spend at least 15 years of their lives in this location. In addition, the owners intend to have a second kid. Consequently, the designer's objective was not only to make the house convenient and comfortable for the family for the following ten years, but also to accommodate a second kid and three generations living in the home simultaneously.

當下居所其實早已不是單一的靜態構造，可變性的空間是未來的趨勢。終落地的方案采用5扇門，將房子西北側的臥室群做成了一個連續貫通、靈活多變的流動空間，可以隨意從開放式的一居和封閉式的三居隨心卻換。

The trend of the future is not a singular, unchanging structure, but rather a variable space. The ultimate layout employs five doors to create a continuous, adaptable, and fluid space for the northwest bedroom group. It can be converted from an open one-bedroom layout to a closed three-bedroom layout.

在屋主與小朋友未分房睡之前，三間臥室的門全部打開，串聯成一個大套間，方便夜里照看孩子；等到小朋友上學時，關閉主臥與兒童房之間的門，變成兩居，大人小孩各有隱私；未來有二胎后，再拉上兒童房與書房之間的門，切換成三居。等到孩子們都長大離“巢”，5扇推拉門全打開，是無比寬敞的退休大一居。

Before the owner and children retire to separate bedrooms, the doors to all three bedrooms are opened to form a huge suite for overnight child care. As the children go for school, the door between the master bedroom and the children's room is shut, transforming the home into a two-bedroom apartment where adults and children enjoy their own solitude. In the future, when they have two children, they will be able to convert the study into a third bedroom by closing the door between the children's room and the study. After the children are grown and have left the nest, all five sliding doors can be opened to create a roomy retirement home.

另一個有趣的設計點是房子里還藏著一輛「綠皮火車」，在公區中部，復合了玄關、分離式衛生間、以及孩子的游戲區。這個膠囊空間的靈感，其實來源于屋主孩子喜歡的托馬斯小火車，設計師以孩子視角去創造一個小型車站，中間通道就像站臺，左右兩側串聯玄關、衛生間的收衣、換鞋、洗漱、沐浴等功能，梳理回家的流線?；疖囶^作為一個交通樞紐，也是回家的中轉站，讓一家人每天卸下鎧甲，洗盡疲身倦容，陪著孩子駛進家的港灣。

The house conceals a "green train" in the midst of the common area, which is also an intriguing design element. It incorporates the foyer, separate restroom, and play space for youngsters. The concept for this capsule area was inspired by the beloved Thomas train of the owner's children. The designer developed a miniature station from the viewpoint of a youngster. The center corridor resembles a station platform, while the left and right sides are connected to the entry and the bathroom to collect clothing, change shoes, wash and shower, etc., in order to organize the flow of people heading home. As a transportation center, the railway head is also a transit stop for returning home, enabling the family to remove their armor daily, wash their exhausted faces, and lead their children into the harbor of their house.

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