round-tripping

基本解释

After a period of time, people started to recognize that one significant problem was round-tripping.
经过一段时间之后，人们开始认识到其中一个显著问题是往返旅程。
As with round-tripping, I'll examine JAXB's semantic equivalence processing in the next article, and see how the input and output documents differ in structure.
和往返一样，我也准备在下一篇文章中分析 JAXB 的语义等价处理，看看输入和输出文档在结构上的区别。
With an input and output file, it's now possible to see how JAXB does at round-tripping, by comparing the files to each other (remember that the original file was shown back in Listing 1).
现在有了输入和输出文件，通过互相比较可以看看 JAXB 在往返中是如何工作的（原始文件如清单 1所示）。

Moreover, there appears to be another stratagem that exporters extensively used in December, the round-tripping of goods through special trade areas and bonded warehouses to earn substantial value-added-tax rebates.
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But, experts say, it also allows Indians to launder vast amounts of untaxed wealth by sending their illegal cash to Mauritius, then "round-tripping" it back to India in the form of legal investments.
NPR: In India, Dodging Taxes Is Part Of The Game

a form of trading in which a company borrows a sum of money from one source and takes advantage of a short-term rise in interest rates to make a profit by lending it to another