A bill of exchange is an unconditional order in writing addressed by one person to another

汇票乃一人签发予他人之 无 条件书面 指示

PROMISSORY_ NOTE_ DESC ; This was an unconditional promise in writing to pay a certain sum of money at a definite time to bearer or to a specified person on his order .

以书面形式同意 无 条件在规定时间内付给持有人或指定的人 以一定数量的金钱。

Is an unconditional order to a bank or customer to pay a sum of money to someone on demand or at a fixed time in the future .

汇票是对某银行或客户下达的 无 条件 的 命令，命令其立即或在未来的某个固定时间向某人支付一定数额的款项。

This flow may either be conditional or unconditional ; that is there may be rules that specify conditions that must be met in order for the next activity in the process to be executed .

这个流向可能是有条件的也可能是 无 条件的；也即，可能有一些指定条件的规则，要执行流程中的下一个活动必须满足这些 规则。