背靠背; 背对背

ph.

1. Stand back to back and we'll see which of you is taller.
    背靠背站着，这样我们就能看出你们俩哪一个高了。

财政金融

A：How do I go about (taking it out/ applying/ signing up)?
      我如何（获得/申请/报名）？

B：Just fill out these fomp3s and we’ll get back to you.
      填这些表格，我们会和你联系。

结束电话

A：Hello, I wish to speak to Xiao Fu.
      喂，我想和小付通话。

B：This is Xiao Fu speaking.
      我就是。

A：Oh, how do you do, Xiao Fu. This is Mary.
      哦，你好，小付。我是Mary。

B：Mary, I'm glad you called me. Mary。
      很高兴你给我打电话。

A：I'm calling to ask you some questions about Susan.
      我打电话是想问一些关于苏珊的事。

B：Sure. Oh, sorry, Mary, I'd better go now.
      可以。哦，抱歉，Mary，我要挂电话了。

A：Is the boss coming by?
      是老板过来了吗？

B：Yeah, and I have to finish this report by four.
      是，我在四点之前得完成这个报告。

A：OK. I'll let you get back to your work.
      好，你过去工作吧。

B：I'll call you again later, OK?
      我一会打给你，好吗？

A：OK.
      好的。

Exchanges and Returns-(换货和退货)

A：Hi, there’s a problem with this stereo. I’d like to return it, please.
      你好，这台音响有点问题。我想退货。

B：What’s the problem?
      是什么问题呢？

A：The tape player doesn’t work.
      磁带的放音装置坏了。

B：O.K. Do you have your receipt?
      好的，您有收据吗？

A：Yes, here you are.
      有，给你。

B：Thank you. Do you want your money back, or would you like to exchange it?
      谢谢。你是想拿回现金呢还是想换一件商品。

A：I think I’d like to just get another stereo, please.
      我想我还是换另一台音响。

B：O.K. Here’s a receipt for store credit. Just take it back to the stereo section and one of our salesmen will help you.
      好的，这是我们商店退货单的单据。把它拿去音响部，售货员会帮您的。

A：Thanks a lot.
      非常谢谢。

B：No problem. Thank you.
      不客气。谢谢你。

1. 背对背：RFC2544测试主要包括了如下四个方面:吞吐量(throughput)、时延(Latency)、丢帧率(Frame Loss)和背对背(Back to Back). 可以根据用户不同的优先级别,仪表支持多个数据流的产生,每个数据流产生不同的MAC地址和IP地址,

2. 一个同样的图案被反复喷绘在墙的正反面,直到覆盖住整个墙面：going over:儅一个涂鸦者将自己的图像覆盖过另一个人的时候 | Back tO Back:一个同样的图案被反复喷绘在墙的正反面,直到覆盖住整个墙面 | Battle:集体的涂鸦行动,涂鸦艺术家或团队之间的涂鸦竞赛