钢铁行业必须拥抱可持续性，才能在21世纪生存下去。

Agriculture is not just a business; it is a way of life.

作家必须成为他时代的见证者。

Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.

相信生活，它给人的教益比任何一本书籍都好。