You never know how clean the toilet actually is.

你永远不知厕所清洁程度何。

There are many reports of food contamination in India and a lack of cleanliness in food preparation.

” 有许多关于印度食品污染和食品制备不清洁。

Ah, non. Absolument. And chefs don't do the cleaning anyway.

绝不 不管怎样 厨师是不做清洁工作。

And as world economies grow and populations rise, shipping's emissions are expected to soar, unless the industry charts a cleaner course.

随着世界经济和人口增长，输行业不找一个清洁方法，排放就注定会激增。

Devoutly religious Medieval Europe had some funny ideas about spirituality and who was too holy or not to wipe their own rear ends.

虔诚中世纪欧洲对灵性有一些有趣想法，谁太圣洁或不清洁自己屁股。

Now, that's not a surprise since the majority of people who live in areas that do not meet clean air standards are Latinos and Black Americans.

现在，这并不奇怪，因为生活在不符合清洁空气标准地区大多数人是拉丁美洲人和美国黑人。