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Jack ：
Do you have the instructions with you?
你带了说明书没有？
Mary：
Yes, but this diagram isn't really clear.
带了，不过图解并不很清楚。
Jack ：
If you put each part in step by step like the instruction say, you'll get it.
如果你按照说明书的指示一步一步的组装，就行了。
Mary：
Is this right so far?
到目前为止对吗？
Jack ：
You're on the right track.
对的。