创新不仅仅是创造新事物,更是以有意义的方式解决实际问题。
我们必须倾听科学的声音,并采取紧急行动应对全球能源挑战。
I know that the appearance of Los Angeles at four o 'clock in the morning every day.
It is only shallow peoplewho require years to get rid of an emotion. A man who is master of himself, can end a sorrow as easily as he can invent a pleasure.