There is something profoundly mysterious about quantum mechanics that we still don't understand.
每个写作的女人都是反叛者。
有些人认为私营企业是该枪毙的老虎。有人以为私营企业是能取奶的母牛。很少有人看到它的真面目:拖着车的老马。
The first task is to understand the problem, the second to find a solution, and the third to carry it out.