那么，科学告诉我们地板上的几分钟对你的食物安全意味着什么呢？
So what does science tell us about what a few moments on the floor means for the safety of your food?
在过去的几十年，公司招商承办从清洁地板到修复互联网安全漏洞等所有事情。
Over the past few decades companies have contracted out everything from mopping the floors to spotting the flaws in their internet security.
把不好固定的东西放在车备箱中或者安全稳当地放在车的地板上。
Store loose items in your trunk or secure them to the floor of your vehicle.
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