可持续性不再是一种选择，而是水产养殖业生存的必要条件。

可持续性不再是可选项，而是生存的必需品。

Sustainability is not just a trend, it's a responsibility.

The study of exoplanets is a journey of discovery, filled with surprises and challenges that keep us motivated.

行动是正确的，因为它们倾向于促进幸福；错误是因为它们倾向于产生与幸福相反的结果。