划分离散变量的组限时,相邻两组的组限
A.必须是间断的
B.必须是重叠的
C.既可以是不重叠的,也可以是重叠的
D.应当是相近的
正确答案是C
Choose the closest paraphrased version after the following sentence or the italicized part.
Courtesy is often nothing more than a highly developed sense of fair play.( )