For example, each site needs to filter the product catalog so that only the relevant portions are visible to end users.

例如，每个站点需要过滤产品种类，以便终端用户仅能看见相关的部分。

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Part 1 is an introduction to the entire series summarizing all the portions of the end result and what facets of the XForms specification each part covers.

第1部分对整个系列进行了简要的介绍，总结了最终结果所有的部分，以及每一部分涵盖了X forms规范的哪个方面。

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Now, to get various portions of the data, I create a stats.php page that, given a start and end index, returns an HTML table with just that portion of the data.

现在，为了获得数据的各个部分，我创建了一个 stats.php 页面，该页面提供了一个开始和结束索引， 返回一个只包含该部分数据的 HTML 表格。

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In the US as a self employed person you end up paying both employers and employees portions of social security.

FORBES: How Do We Create More Entrepreneurs In The US?

Authorities have asked the public to set off fewer fireworks in Beijing to reduce pollution, a new anti-extravagance drive has prompted government officials and state-owned companies to cancel their banquets at high-end hotels and a campaign against food waste is leading to half-portions in restaurants.

NPR: Leaner New Year: China Tones Down The Celebrations