她像手榴弹一样抓着我的心

Sustainability is not an option anymore; it's a necessity for the future of agriculture.

It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.

女性在职业中的选择往往受到社会期望和制度性障碍的限制。

事实上，我不知道如果没有数学我会做什么。