生活充满不确定性，而这正是它有趣的地方。
林业的未来在于平衡经济增长与环境管理的可持续实践。
长城汽车的发展离不开每一位员工的努力和奉献。
The truth is, I don't know what I'm doing half the time, but I do it with confidence.
The universe is not only stranger than we imagine, it is stranger than we can imagine.
人们不应该研究这样的问题，应该把它们留给哲学家。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
