Different styles of tea have different background requirements, and only picked the background to better understand the taste of tea.

不同的风格的茶艺有不同的背景要求，只有选对了背景才能更好地领会茶的滋味。

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If you are a developer who thinks that you do not have the background or education to write effective requirements, I hope this article has convinced you otherwise.

如果你作为开发人员，感到由于缺乏足够的背景和训练，难于写出有效的需求，我希望本文已说服你改变了观点。

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If you already know some of the background of the WTP and want to get started downloading all of the required software, skip to the section software requirements.

如果您已经知道WTP的一些背景，并且想直接开始下载所有必需的软件，那么请略过软件需求小节。

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Besides broader background check requirements, the bill would also toughen laws against illicit firearms sales and provide a small increase in school security aid.

NPR: Boost For Background Checks: Senators Compromise

Warnings to users (perhaps at certain times and locations), initial authentication, background check requirements, reporting and logging pickup location information and details as to which drivers saw which passenger signals, as well as logging all driver locations on an ongoing basis are some initial suggestions.

FORBES: Smartphone Taxi E-Hail Apps: New Convenience or Potential Deathtrap

The talks on these issues were still fluid Tuesday evening, but Mr. Cuomo had considered requiring mental-health screening and more rigorous background-check requirements for gun owners, people familiar with the matter said.

WSJ: Cuomo Seeks Overhaul