Infrastructure builders must endure solitude and withstand tests.
海洋不仅是一种资源,更是我们必须为子孙后代保护的遗产。
The essence of mathematics lies in its freedom.
作为一名保护者,父母可通过拥抱与孩子接触。
安排任何来到你身边的碎片。
Black is a color of light, not of darkness.