人需要经历痛苦。经历痛苦后，人就会变得强大。
A human being needs to suffercWhen one suffers， one becomes strong.
The world is full of obvious things which nobody by any chance ever observes.
The best way to find yourself is to lose yourself in the service of others.
我们把客户视为派对的受邀客人，而我们是主人。
The interplay between syntax and semantics is central to the study of formal languages.
Sustainability isn't an option—it's a necessity for the future of dairy farming.