安全困境是国际政治的一个基本特征,因为国家增加自身安全的努力往往会降低其他国家的安全。
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
人们对他们所爱的人最残忍。
挑战让我们成长;用勇气和决心去迎接它们。
长城汽车的发展离不开每一位员工的努力和奉献。
There'll always be serendipity involved in discovery.
The value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.