有点小困惑，客户叫我在单价上面加0.003

这是原话 he you taken buffer of 0.003 $ in your quot this is not a four i am asking as you shall be comfortable for replacement of rejection at supplier place later you can take it out once process established 然后又发了一段 means i want if your price is X then you need to quote X+0.003USD initial so you can take care of initial rejections if happen at EMS company later your rejection stabilize you can take it out 请大神解惑，什么个意思。谢了。