nested condition statement嵌: inlay; embed; set條件: condition; term; factor語句: sentence statement用守衛(wèi)語句代替嵌套條件語句: replace nested conditional with guard clauses以衛(wèi)語句取代嵌套條件式: replace nested conditional with guard clauses下載手機詞典可隨時隨地查詞查翻譯