这几个单词有什么区别??

effect
n.结果, 效果, 作用, 影响, (在视听方面给人流下的)印象
vt.招致, 实现, 达到(目的等)

impact
n.碰撞, 冲击, 冲突, 影响, 效果
vt.挤入, 撞击, 压紧, 对...发生影响

affect
vt.影响, 感动, 侵袭, 假装

influence
n.影响, 感化, 势力, 有影响的人(或事), (电磁)感应
vt.影响, 改变

What is the difference between affect and effect?

Answer: Affect is a verb that means "to have an influence on" or "to bring about a change in": Does second hand smoke affect the health of all of us? Effect can also function as a verb meaning "to execute": Only the president can effect such a change. However, effect is most often used as a noun meaning, "result": The drug did not affect the disease, and it had several adverse side effects. Rule of thumb: if you need a verb, nine times out of ten you will used affect; if you need a noun, you will always use effect.

问题102：affect和effect有什么区别？

回答：affect是一个动词，意思是“对……有影响”或“给……带来变化”。
例如：Does second h