起初的计划是乘公交车去。
参观这一地区的最好方式之一是乘小船。
如果你想在伦敦快速出行,最好是乘地铁。
If you want to get around London fast, the Underground is your best bet.
Again, I don't have data to back this up, but just common sense suggests to me that the common case is if I'm on the subway platform I want to get on that train and maybe I want to get back and where are those two buttons, right?
此外,我没有数据来备份这个,但是常识告诉我,常见的情况是,如果我站在地铁站台上,我想乘上地铁,可能我还想回来,那么哪里能找到这两个按钮,对不?
The second one is, this multiplicative constant here is 3, in some sense also isn't all that crucial.
我们需要乘的常量是,在某种意义上来说这也不是很重要,对你的程序来说要运行300年。
Whether you take the elevator to the top of the Hancock Tower or whether you walk up the stairs, the change in gravitational potential is identical.
不管你是乘电梯,去大厦的顶层,或者是步行,重力势能的变化是相同的。
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