建筑工程的质量和安全是建筑工程的关键问题。

Quality and safety are the key factors of architectural engineering.

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食品质量和安全是个大问题，所以很多电视节目都邀请我去做健康顾问。

Food quality and safety is a big issue. So I got invited to be the health consultant for many TV programs.

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食品的质量与安全是决定人类生存质量的重要因素之一。

The quality and safety of food is crucial to humans life.

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