The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.
数学的美在于它既精确又富有创造性。
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
在磨洋工的制度盛行的地方,艰苦的工作、低工资和恶劣的条件是常态。
相对论不仅仅是一个科学理论,而且是一个哲学理论。