我感觉有些男人在到达一定年纪后就害怕成长了。好像男人年纪越大，他们新娶的妻子年龄就越小了。

Sustainability isn't a choice anymore - it's our responsibility to future generations.

释义：只有内心平和、沉稳，智慧深邃且勇敢沉着，才能成就伟大的事业。

Success in farming isn’t just about yield; it’s about stewardship of the land for future generations.

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

宇宙是一个广阔而神秘的地方，充满了等待被发现的奇迹。