facteur in English:

When applying to American universities, your TOEFL score is only one factor.

economic, deciding factor

When we take the wind-chill factor into account, the temperature must have been lower than thirty degrees below zero centigrade.

The determining factor in question is whether this social welfare plan can facilitate the influx of immigrants.

This is a basic factor that can even be said to be the common lot of man, it certainly doesn't apply only to Germans.

There seems to be a slight difference on the treatment of the B factor between their approaches.

A high savings rate is cited as one factor for Japan's strong economic growth because it means the availability of abundant investment capital.

That method's OK but if you use the factor theorem here ...

We consider now pairwise non-isomorphic factor modules of this faithful module.

As a consequence of its fun factor, Tatoeba contains random bits of factual information.

“They definitely play very important roles; however, we don’t know at this point, which is the dominant factor,” she added.

If I were going to buy a house, the size of the house would be a major factor...

key factor(kluczowy czynnik)

I am at the mercy of myriad external factors.

The recent IPCC report concludes that very heavy rain has increased in frequency during the last 50 years and that global warming has been a factor.

I don't like my postman because he comes late.

The postman was bitten by that dog.

He's a postman.

Has the postman been yet?

As they were leaving; the postman arrived with the mail.

Hardly had she got in the bath when the postman knocked on the door with a parcel.

Rain or shine, the postman delivers the mail.

Mailing complete. I leave the rest to you, postman!

The dog went for the postman.

Boxing Day, when presents are given to the postman, the milkman, etc., is the first week-day after Christmas.

The postman delivers letters.

The postman comes at 7.30.

Three days later, just as I set off for work, the postman handed me a letter.

Postmen are usually afraid of dogs. Our postman visits us every Tuesday morning.

It must be the postman.