1)cheque payable at sight,见票即付支票2)payable on demand,见票即付3)at sight,（见票）即付4)payable on demand,见票付款5)after sight,见票后6)after sight,见票后……7)at sight,见票即付8)months after sight,见票后……月9)on demand,见票即付10)on demand,见票交货
用法和例句
Either from the formal or from the substantial aspect,the generally called post-dated check does not conflict with the fact that a check must be payable on demand.