effect/ɪ'fekt/

n. a change that sb/sth causes in sb/sth else

effect

effective

efficient

n. [C; U] 影响；作用；效果：[effect on sb/sth] His parents' divorce had a big effort on him.他父母亲的离婚对他产生了巨大影响。

◇[effect of (doing) sth] The product has the effect of making your skin look younger. 该产品可使皮肤看上去显得更年轻。

构词ef (= -ex)+fect (= do)

同根 affect; perfect

音组-ect/-ekt/

affect; collect; connect; correct; effect

常犯错误

✗ The change had little effect to him.

✓ The change had little effect on him. 这种变化对他没啥影响。