店员回答:“你应该问问自己’我能为它做什么’?”
The employee's response: "You should ask yourself, 'What can I do for it?'
你应该问问自己和员工你们做的哪些东西是重要的。
You need to ask yourself why do you think what you do is important, and ask your staff as well.
拿中国来说,你应该问问自己中国在世界的角色到底是什么。
China should ask itself what role it wishes to take in the world.
Conversely, if you get an answer and it doesn't seem to make sense, then you've got to go back and ask, am I violating some of the assumptions, and here you will find the assumption that the particle had that acceleration a is true as long it's freely falling under gravity but not when you hit the ground.
反过来说,如果你得到一个结果,发现似乎是错的,那么你就应该回过头来问问自己,我是不是违反某些前提了,这个模型中,你就发现,只要质点在重力作用下自由下落,质点具有加速度a的前提是正确的,但是落地后就不成立了
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