Olc
abbr. on-line computer 联机计算机，在线电脑
🗣️ 情景例句
References?
备询人？
To have money is a fear, not to have it a grief.
有钱使人担心，没钱使人伤心。
Pardon? Would you please say that again more slowly?
对不起，请你慢点儿再说一遍好吗？