理论计算机科学与应用数学之间的协同作用带来了曾经被认为不可能的突破。
The world is full of people who will help you manufacture tornados so you can later claim to have survived them.
道德的人和荣誉的人之间的区别在于,后者即使在不光彩的行为奏效时也会感到后悔。