煤炭开采的创新不是要重新发明轮子,而是要让轮子更高效、更环保。
你越诚实,人们就越能与你的音乐产生共鸣。
The mystery of the universe is in these dots.
The moment eternal—just that and nothing more.
Your most unhappy customers are your greatest source of learning.
相关系数的可能误差不是一个固定的量,而是取决于样本的大小。
The quality of the product is the dignity of the enterprise.