There are a number of ways to exchange certificates.
有很多方式来交换证书。
And today, the highest number of exchange students in the U. S. are from China.
今天的美国，来自中国的交换生数量最多。
They each paired up with their opposite number from the other school, to exchange ideas.
他们和另一校号码对等的同学结成对交流思想。
We each paired up with our same number from the other school to exchange ideas.
我们分别与另一个学校相同号数的学生结成对，交换意见。
I know that the there will be a random number exchange that prevents this.
我知道会有一个随机数的交换，使这。
WEAR journal number two: "CULTURAL EXCHANGE" is now available.
《穿》杂志第二期，“文化交流”，现已发售。
Present your confirmation number at the registration desk to exchange for the poster.
请在报到处报到时出示您的确认号向工作人员换取海报。
Present your confirmation number at the registration desk to exchange for the poster.
请在报到处报到时出示您的确认号向工作人员换取海报。
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