From d196dee5b7d916531a1ee0dbac1c2f71fb7f5c4a Mon Sep 17 00:00:00 2001
From: haiduo <haiduohaiduo@outlook.com>
Date: Wed, 21 Aug 2019 10:26:46 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9?=
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---
 excersize/ch07.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/excersize/ch07.md b/excersize/ch07.md
index 224b4b9..02c7819 100644
--- a/excersize/ch07.md
+++ b/excersize/ch07.md
@@ -269,7 +269,7 @@ std::ostream &print(std::ostream &os, const Person &person)
 在下面这条`if`语句中，条件部分的作用是什么？
 
 ```cpp
-if (read(read(cin, data1), data2))
+if (read(read(cin, data1), data2)) //等价read(std::cin, data1);read(std::cin, data2);
 ```
 
 解：