现在有许多的打车软件，你可以通过它们线上打车。

There are now many car-hailing apps through which you can order yourself a taxi online.

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树木通过它们的合作与帮助生存下来，传递着必要的营养。

Trees survive through their cooperation and support, passing around necessary nutrition.

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这些都是很棒的渠道，通过它们，你可以发表自己的意见。

These are good channels through which you can make your voice heard.

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I also use it as a connection between family life, family roots and just to make the adventure more real.

联系家庭生活和,故乡的纽带,并通过它们使这次旅程更真实。

麻省理工公开课 - 媒体、教育、市场课程节选

You can actually initialize multiple things at once by separating them with a comma, and this is sometimes helpful.

你可以一次性初始化很多东西,通过用逗号分开它们，这有时是有用的。

哈佛公开课 - 计算机科学课程节选

It accepted the premise that men were what they were and that the state had to control that by various devices.

宪法承认了人类本性的即存性,政府通过一系列手段掌控它们

耶鲁公开课 - 古希腊历史简介课程节选