They have pointed out that the smell of food and drink can make other passengers unhappy.

他们指出，食品和饮料的味道可能会让其他乘客不满。

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Experts have pointed out that the materials used in masks are difficult to degrade.

专家指出，口罩所使用的材料很难降解。

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Government surveyors have pointed out that in most cases, this is impossible.

政府调查员指出，在大多数情况下，这是不可能发生的。

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But,as actors have pointed out, sometimes a critic's pan turns up gold.

VOA: special.2010.04.25

Some writers have pointed out that it's interesting that these humans are not being punished for religious sins, for idolatry, for worshipping the wrong god or anything of that nature, and this is important.

有些学者指出，有趣的是,人类并非因为罪孽，崇拜其他的神,或者因其本性而受到惩罚。

耶鲁公开课 - 旧约导论课程节选

There are lots of people who have pointed out to us that before a certain period, there was no such thing as man, and in a variety of quite real senses, after a certain moment in the history of culture, there is also no such thing as man.

很多人向我们指出,在某一特定时间点前是没有人类的，而且在真实意义上，在文化史中的某一特定时刻后，人类也不存在。

耶鲁公开课 - 文学理论导论课程节选

But police have pointed out that officers "are more and more often confronted by violent resistance".

BBC: Paris police suspended after Somali's death

Health authorities have pointed out that this swine flu strain has never been seen.

CNN: Among the swine flu mysteries: Why only deaths in Mexico?

As the gentlemen of InsureBlog have pointed out, Utah is working on something similar.

FORBES: Health Wonk Review Review: Medicaid, HRAs, & P4P