We have the choice to use the gift of our life to make the world a better place—or not to bother.

We must balance short-term commercial realities with long-term environmental responsibilities.

证明是一种用于使他人相信数学陈述为真的工具。

我崇拜艺术……当我独自与我的音符在一起时，我的心在跳动，泪水从眼中流出，我的情感和喜悦难以承受。