nested conditions嵌: inlay; embed; set條件: condition; term; factor嵌套條件語句: nested condition statement嵌套條件指令: nested conditional directive以衛(wèi)語句取代嵌套條件式: replace nested conditional with guard clauses下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯