The value of regular exercise should not be underestimated.
经常锻炼的好处不应低估。
《牛津词典》
2
It works correctly with undefined values as well, whereas with warnings turned on, a regular expression match on an undefined value will print a warning.
该函数也会正确地处理未定义的值，尽管在警告打开时，常规表达式在匹配未定义的值时会输出警告信息。
3
Cancer experts have been having second thoughts in recent years about the value of regular screening to detect certain types of cancer in its early stages.