The quality and safety of food may be threatened by a host of factors, including natural toxins.

食品的质量和安全受许多因素的威胁，包括天然毒素。

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They could be triggered by a host of factors including smoking, eating fatty, processed foods and not getting enough fresh air.

这些迹象可能由多种因素造成，包括吸烟、吃油腻的加工食品、新鲜空气不足等等。

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The number of interns required may be subject to change depending on a host of factors including the prevailing policy from time to time.

暑期实习生的所需人数或会受某些因素影响而有所变动，包括当时的政策。

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Our assessment is that the outcome of the negotiations with workers will depend on a host of factors.

FORBES: Newmont's Revised Production Forecast In Indonesia May Cause Labor Troubles

But for these forces to work we have to remove a host of factors that trap the delivery of care in obsolete and costly business models.

FORBES: Magazine Article

The fate of other firms depends on a host of factors besides child labour, from the level of world demand to the strength of the rupee.

ECONOMIST: Ending child labour can have unexpected consequences