While the language enables you to use simple, nonblock statements as the body of these constructs, you should always use a blockstatement in these situations.
尽管语言本身可以让你使用简单、非块状的语句作为这些结构的主体,但你还是应该经常使用块状语句。
2
The statement clearly was intended to caution Seoul against attempting to block the council's action again.
很显然,这份声明用意在于警告首尔别再试图阻止委员会的行动。
《柯林斯英汉双解大词典》
3
A more substantial limitation on the source code is that there's no way to refer to local variables declared outside the statement or block being added.