Terms containing valid check

Subject	English	Chinese
gen.	Imagine you were being informed by finance that the traveler's check you had accepted yesterday is not valid because the guest had signed on the wrong position. How would you feel?	想象一下，财务部通知你，昨天你收到的一张旅行支票客人签字签错了地方，所以无效，你会怎么办？
econ.	The check is valid until the end of the year	该支票有效期至年底
commer.	valid check	有效信用支票
tech.	valid parity check	有效奇偶校验
IT	valid party check	有效奇偶校验