To live in a pipeline, a utility needs to read data from standard input and write data to standard output.
为了生活在管道中，实用程序需要从标准输入读取数据，然后向标准输出写出数据。
2
You can think of it as a worksheet with live data as input.
您可以将其看作是使用实时数据作为输入的工作表。
3
It's important for a live search component to respond quickly to input, but at the same time it needs to parse server responses rapidly and continuously.