1) On Demand
见票即付，即期
2) At sight
即期，见票即付
3) bill at sight
见票即付票据，即期汇票
4) bill on demand
即期汇票，见票即付
5) payable on demand
见票即付
1.
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.
从形式层面与实质层面分析,习惯上所称之远期支票并不违背支票的见票即付性。
6) sight draft
即期汇票;见票即付;见票即付的票据、汇票等
补充资料：凭票即付形式
凭票即付形式，无记名形式 Bearer Form
定义：
会向持票人支付但未登记在发行公司账目上的票据。