This is a factor which we must not neglect.

这是一个我们绝不能忽略的因素。

youdao

That's a factor which we must not neglect.

这是我们不应忽视的一个因素。

youdao

This is a factor which we must not neglect.

这是一个我们绝不能忽略的因素。（作宾语，可省略）

youdao

"We did not anticipate that there would be an increase in this group and we believe it may be an indicator of a new risk factor for gastric cancer which has not yet been identified."

VOA: standard.2010.05.12

The paper's authors tried to take into account other factors, but they admit it may not have been entirely possible to quantify differences in, for example,the recipient's health, which can be a big factor in the success of a transplant.

VOA: standard.2010.07.14

The prospect of a derby promises a fervent crowd at both games, a factor which could be pivotal in two large venues.

BBC: Darlington and Gateshead set for FA Trophy tussle

The magazine described Mrs Blair as getting "her power both from her own work and from that of her husband" - a factor which has led to criticism in the past.

BBC: NEWS | UK | Cherie hoping for 'fantastic' 50s

Many critics still point to the empty stands that greeted Africa's top footballers when South Africa hosted the African Cup of Nations finals in 1996 as a factor which could count against a successful bid.

BBC: South Africa's World Cup dream