[網(wǎng)絡(luò)] 服務(wù)時間 as memory serves: 每逢想起as occasion serves: 當(dāng)時機有利時; 當(dāng)有利時as occassion serves: 一有適宜的機會file serves: 文件服務(wù)a tractor serves several purposes: 一機多用下載手機詞典可隨時隨地查詞查翻譯