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Go ahead做吧；可以。
Go ahead.we're all listening.
请讲，我们都在听。
If you want to open the window,go ahead.
如果你想开窗户，就开吧。
Can I borrow your dictionary for a while?
我可以借用一下你的字典吗？
Go ahead.
可以。
A:Would you mind if I use your tape-recorder?
我用一下你的录音机行吗？
B：I don't mind,go ahead.
行，拿去吧。
A:I'll give it back to you in a couple of days.
我过两天还你。
B: Ok,You can keep it as long as you need.
好的，你想用多久都行。
背景音乐：mika-happy ending