色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

在采礦業，可持續性不僅僅是一個流行詞，而是長期成功的必要條件。

追求數學真理是一項既個人又普遍的努力。

Sustainability is not just a trend; it's a responsibility we owe to the next generation.

The fundamental 'formula' of Gestalt theory might be expressed in this way: There are wholes, the behavior of which is not determined by that of their individual elements, but where the part-processes are themselves determined by the intrinsic nature of the whole.

我被抒情詩、短詩所吸引，在那里每一個詞都必須精確。

The personal is universal, and the universal is personal.

有時候你最害怕做的事情恰恰是能讓你獲得自由的事情。