n.[C]

1. 因素；要素[（+in）]
   He analyzed the various factors.

   他分析了各种因素。

2. 系数；【数】因子，商；【生】遗传因子，基因
   2 and 5 are factors of 10.

   二和五是十的因子。

3. 代理人；代理商

vt.

1. 分解……的因子；把……分解成[（+into）]
2. 把……作为因素计入[（+into/in）]
3. 代理经营；代管（产业）

vi.

1. 做代理商

n.

1. a circumstance, fact, or influence that contributes to a result.
   ▸Biology  a gene that determines a hereditary characteristic.
2. Mathematics  a number or quantity that when multiplied with another produces a given number or expression.
   ▸a number or algebraic expression by which another is exactly divisible.
3. a level on a scale of measurement:
   a protection factor of 15.
4. Physiology  any of a number of substances in the blood which are involved in coagulation.
5. a business agent.
   ▸a company that buys a manufacturer's invoices at a discount and takes responsibility for collecting the payments due on them.
   ▸Scottish a land agent or steward.

v.

1. (factor something in/out) include (or exclude) something as a relevant element when making a decision.
2. Mathematics  another term for factorize.
3. sell (one's receivable debts) to a factor.