可持续捕捞不是一种选择；如果我们想保护海洋生态系统，这是唯一的前进道路。

"The truth is rarely pure and never simple."

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

I’m not a guy that’s going to let my love for the past down.

ENIAC是现代计算机发展史上的第一个巨大飞跃。

在热量下降过程中，动力显然随冷热物体之间的温差增大而增加。