Note: Data validation may include format checks, completeness checks, check key tests, reasonableness checks and limitchecks.
注：数据证实可包括格式检验、完整性检验、检验键测试、合理性检验和范围检验。
2
Traveler's checks are generally of small face value, such as ten or twenty dollars, five or ten pounds, for miscellaneous payments. There is no time limit of their circulation period.
旅行支票通常是小面额，比如十、二十美元，五、十英镑，用于零星支付，在流通中没有时间限制。
3
But with regard to cash checks, the use of different rules is not the same as the limit.