英语解释：All payments are contingent upon satisfactory completion dates.
所有的付款须视乎是否如期完成。
注：一词有多义，单词一次只记一种意思即可。depending on sth that may or may not happen 依情况而定的:
英语解释：All payments are contingent upon satisfactory completion dates.
所有的付款须视乎是否如期完成。
注：一词有多义，单词一次只记一种意思即可。depending on sth that may or may not happen 依情况而定的:
