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。