due
due a. (1)(债款等)到期应支付的 due一般指一种确定的责任或义务，在没有上下文背景的情况下，可能指债务或其它权利请求已到期并具有执行力，或者应在过去某个时间支付但仍未履行，或者已确定支付的日期但尚未到期。通常due专指第一种情况，第二种情况下用overdue，最后一种情况用payable。 (2)正当的；适当的；合理的 (3)应有的；应得的；应受的
DUE
due
due, adj. 1. Just, proper, regular, and reasonable (due care) (due notice). 2. Immediately enforceable (payment is due on delivery). 3. Owing or payable; constituting a debt (the tax refund is due from the IRS).