You will not know how your refrigerator knows this, and, what's worse, you will not know who else your refrigerator is informing about it.

你会纳闷这事儿你的冰箱怎么会知道，更糟的是，你也不知道你的冰箱还要把这事告知谁。

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However, if you have thirty-five people performing a variety of tasks, you will not know how to perform each task—but you will have someone out there who does know how it’s done.

但是，如果你的团队有35个人，每个人需要完成不同的工作时，你就不可能对每项工作都了然于胸了，这时就需要一个知道如何具体操作的人来帮你进行管理。

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I will willingly go away with you, but I do not know how to get down.

我很愿意和你一起走，但是我不知道怎么下去。

youdao

To forecast how many seats each party will win you have to know not just how many votes each will get, but where they will get them.

ECONOMIST: Labour feels confident, but the polls are not to be trusted

How can you stress-test banks if you do not know how their troubled assets will be dealt with and at what price?

ECONOMIST: Saving the banks

Will you work harder and produce more if you know not only how productive you are compared to your colleagues but what your colleagues are getting paid?

FORBES: Will You Be More Productive If You Know How Your Pay Compares With Your Colleagues'?