无人机的应用将无处不在。
劳动经济学从根本上讲是理解人们的选择和约束。
解放是一种实践:男性和女性对其世界的行动和反思,以改变它。
"I always try to put a little bit of humor in my drawings, because I think it makes them more enjoyable."
The task of the writer is to unearth the secrets that are buried in the heart of man.
The world is a book, and those who do not travel read only one page.
It's my life, it's now or never.
好奇心是科学的驱动力。