v. 将 ... 加上括弧

When in doubt, parenthesize expressions to force the grouping that the logic of your program requires. 如果有怀疑，则在表达式上按程序逻辑要求使用圆括号强制操作数的组合。

The short description must include the function name with only the parenthesize '()'. 短描述必须包括只带括号'()'的函数名字。

Parenthesize the following expression to indicate how it is evaluated. Test your answer by compiling the expression and printing its result. 在下列表达式中，加入适当的圆括号以标明其计算顺序。编译该表达式并输出其值，从而检查你的回答是否正确。

The expressions in the previous exercise evaluate in an order that is likely to be surprising. Parenthesize these expressions to evaluate in an order you imagine is intended. 习题5.

to parenthesize a talk with jokes (交谈中)插入几句玩笑话