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Update 7.rst #161

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2 changes: 1 addition & 1 deletion chp/7.rst
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Expand Up @@ -1065,7 +1065,7 @@ Monad是一种强大的将函数链在一起的方法，在 `第十四章：Mona
运算符的计算的结果是第二个操作的结果，第一个操作的结果被丢弃了。
这和在 ``do`` 代码块中只有一行是类似的。
你可能会写 ``putStrLn "line 1" >> putStrLn "line 2"`` 来测试这一点。
它会打印出两行，把第一个 ``putStrLn`` 的结果丢掉了，值提供第二个操作的结果。
它会打印出两行，把第一个 ``putStrLn`` 的结果丢掉了，只提供第二个操作的结果。

``>>=`` 运算符运行一个操作，然后把它的结果传递给一个返回操作的函数。
那样第二个操作可以同样运行，而且整个表达式的结果就是第二个操作的结果。
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