youdao

Environmental pollution could also be a factor, the newspaper said, quoting Caijing magazine.

环境污染可能也是一个因素，该报引述《财经》杂志的报道说。

youdao

A very important environmental factor is the stability of requirements.

一个非常重要的环境因子是需求的稳定性。

youdao

But the report singles out food production as the other major factor driving environmental degradation.

VOA: standard.2010.06.04

"If we refuse to take into account the full costs of our fossil fuel addiction - if we don't factor in the environmental costs and the national security costs and the true economic costs - we will have missed our best chance to seize a clean energy future."

VOA: standard.2010.06.14

Plastic electronics technology has many economic, manufacturing, form factor and environmental benefits, assuring that it will replace silicon in a variety of devices in the future.

ENGADGET: Plastic Logic kills QUE, 'shifts focus' to second-generation ProReader

It may be that genetic mutations can accumulate without actually leading to a disorder, until, perhaps, they are triggered by an environmental factor or pile up enough to reach a critical mass.

FORBES: Across Generations: Older Fathers May Transmit Autism Risk To Their Grandkids

Singer notes a number of possible explanations for why the other two groups might not have seen the behaviors initially reported, including compensation thanks to other genes, some unknown environmental factor, or variability in the knocked-out gene.

FORBES: Mouse Behavior From Autism Studies Not Reproducible