证明告诉我们该把怀疑集中在何处。
A proof tells us where to concentrate our doubts.
可持续发展不是一种选择,而是现代经济中生存的必要条件。
The future of transportation is electric, and China will lead this revolution.
The best stories are the ones that leave you with more questions than answers.
I don't sing because I'm happy; I'm happy because I sing.