book: rephrease unique_ptr value capturing (changkun#182)

Dw9 · web-flow · commit ad4b9580a510 · 2021-04-13T09:36:31.000+02:00
diff --git a/book/en-us/03-runtime.md b/book/en-us/03-runtime.md
@@ -114,7 +114,7 @@ void lambda_expression_capture() {
 }
 ```
 
-In the above code, `important` is an exclusive pointer that cannot be caught. 
+In the above code, `important` is an exclusive pointer that cannot be caught by value capture using `=`. 
 At this time we need to transfer it to the rvalue and 
 initialize it in the expression.
 
diff --git a/book/zh-cn/03-runtime.md b/book/zh-cn/03-runtime.md
@@ -102,8 +102,7 @@ int main() {
 }
 ```
 
-在上面的代码中，`important` 是一个独占指针，是不能够被捕获到的，这时候我们需要将其转移为右值，
-在表达式中初始化。
+在上面的代码中，important 是一个独占指针，是不能够被 "=" 值捕获到，这时候我们可以将其转移为右值，在表达式中初始化。
 
 ### 泛型 Lambda
 

Original file line number	Diff line number	Diff line change
`@@ -114,7 +114,7 @@ void lambda_expression_capture() {`
`114`	`114`	`}`
`115`	`115`	```
`116`	`116`
`117`		-In the above code, `important` is an exclusive pointer that cannot be caught.
	`117`	+In the above code, `important` is an exclusive pointer that cannot be caught by value capture using `=`.
`118`	`118`	`At this time we need to transfer it to the rvalue and`
`119`	`119`	`initialize it in the expression.`
`120`	`120`
Original file line number	Diff line number	Diff line change
`@@ -102,8 +102,7 @@ int main() {`
`102`	`102`	`}`
`103`	`103`	```
`104`	`104`
`105`		-在上面的代码中，`important` 是一个独占指针，是不能够被捕获到的，这时候我们需要将其转移为右值，
`106`		`-在表达式中初始化。`
	`105`	`+在上面的代码中，important 是一个独占指针，是不能够被 "=" 值捕获到，这时候我们可以将其转移为右值，在表达式中初始化。`
`107`	`106`
`108`	`107`	`### 泛型 Lambda`
`109`	`108`