而且唔係valid acceptance咁as a matter of commercial practice消費者可以點
你諗都諗到你個suggestion係幾麻煩同幾唔practical
事實上好多收據都會有啲消費者無見過嘅terms,如果下下咁講,按你當confirmation email係acceptance嘅logic,好多情況會變左無contract simply because of addition of terms in the receipt/ confirmation email