精品无码久久久久久国产_成人午夜在线视频一区_亚洲最大的av网站_亚洲欧美综合区自拍另类_91精品国产一区_日韩精品中文在线观看_一道本无吗dⅴd在线播放一区_国产精品旅馆在线_欧美午夜久久久_亚洲自拍在线观看_黑人精品xxx一区一二区_亚洲精品日韩久久久_在线视频一区二区_国产欧美久久一区二区_中文字幕精品在线视频_成人欧美在线观看

Technology should serve humanity, not the other way around.

The challenge in computer science is to bridge the gap between the theoretical models and practical applications.

建筑是一門社會藝術；它必須回應社會的需求。

基礎設施必須服務于人，而不僅僅是經(jīng)濟。

Short-term gains at the expense of the environment will always lead to long-term losses.