conditional
/kənˈdɪʃənl; kən`dɪʃənl/ adj
(a) ~ (on/upon sth) depending on sth 依赖某事物的; 含有条件的
conditional approval, acceptance, etc 含有条件的批准、 接受等
Payment of the money is conditional upon delivery of the goods, ie If the goods are not delivered, the money will not be paid. 货到方可付款（货不到则不付款）.
(b) (esp grammar 尤作语法用语) containing or implying a condition1(3a) or qualification 有条件的; 受制约的
a conditional clause, ie one beginning with if or unless 条件从句（由if或unless起首的从句）.