alternate contracts
替代合同
以上为机器翻译结果，长、整句建议使用 人工翻译 。
One has the sense that the building expands and contracts, as the balconies slide in and out with alternate widths and depths.
营造出建筑扩张和收缩的感觉，随着阳台来回的滑动，产生了交替的宽度和深度。
youdao
应用推荐
模块上移
模块下移
不移动