To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.
We're at the beginning of a new era where AI can help solve some of the world's most challenging problems.
艺术是一种抵抗的形式。
The multiverse is not a theory, but a prediction of certain theories.
要理解心灵,就要研究它在现实生活中的运作。