Lack of sleep is a major factor in loss of libido.

睡眠不足是导致力必多丧失的一个主要因素。

《柯林斯英汉双解大词典》

Domestic interest rates are often cited as a major factor affecting exchange rates.

国内利率常常被援引为影响汇率的一个主要因素。

《柯林斯英汉双解大词典》

This help is critically important because the high cost of caring for animal victims is a major factor that prevents people from getting involved in cruelty cases in the first place.

这种帮助是至关重要的，因为照顾受害动物的高成本是防止人们卷入虐待案件的一个主要因素。

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"While cost remains a major factor in decisions about where to off-source, the quality of the labor pool is gaining importance, and this includes English language skills."

VOA: special.2011.01.21

One reporter questioned whether the artificial turf at San Jose's Ricardo Saprissa Stadium was a major factor in that loss.

VOA: standard.2009.06.07

He says communication was a major factor in containing the virus.

VOA: standard.2010.04.29

Survey after survey show that slow play is a major factor in creating ex-golfers.

WSJ: John Paul Newport on Slow Play | Golf Journal

Whiplash claims were a major factor behind the rapid rise in the price of motor cover.

BBC: Car insurance prices starting to fall, says AA

It is glaringly obvious that the lingering economic stagnation was a major factor in this.

FORBES: Everything Economics Turns On A Trifle