将下列句子重新排序，使之成为一个对话。

( ) R-U-L-E-R.

( ) What's it in English?

( ) Hello, Mary. Is this your “尺子”?

(     ) How do you spell ruler?

( ) Yes, it is.

( ) It's a ruler.

( ) Thank you.

( ) Here you are (给你).

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在合同谈判阶段，为求稳妥，买方应在合同上将登记船东作为卖方载明。