人可以阅读此收据，决定它包含的数据，然后通过键盘输入这次交易。

A human reader would scan this receipt, decide on the data it contains, then enter the transaction via the keyboard.

youdao

输入数据时，在智能手机上有限的键盘中处理文本会很麻烦。

Handling text on your smartphone's limited keyboard can be a bit cumbersome when entering your data.

youdao

多数情况下，您会使用键盘作为stdin：例如，您需要输入要排序的数据行。

Most often, you provide stdin using the keyboard: you type the data you want sorted on a series of lines, for example.

youdao

If you want to get some input from the user, my God I don't want to have to program it to low level zero and 1 just to get keys from the keyboard; please let there have been someone who does that for me and indeed there are an increasingly sophisticated options that you can pull off the shelf.

如果你想获得一些用户的输入数据，我的上帝,我可不希望在键盘上敲入0，1的低水平方式来编程;,希望有个人能帮我做这件事吧,但是现有的选择,也变得日益复杂了。

哈佛公开课 - 计算机科学课程节选