Quality is the lifeline of an enterprise and must never be compromised.
小规模渔民和养殖者是可持续水产养殖的无名英雄。
The writer’s mission is to uncover the hidden.
数学中最深刻的思想往往来自最简单的问题。
外交是一门没有永久朋友，只有永久利益的学科。