at hand 指在手边(即将到来,在附近)
举例说明吧
He always kept the picture of his girlfriend's close at hand.他总是把女朋友的相片放在身边.
on hand 手头上(有)
we have ten dollars on hand 我们手上现在还有十美元
at hand 指在手边(即将到来,在附近)
举例说明吧
He always kept the picture of his girlfriend's close at hand.他总是把女朋友的相片放在身边.
on hand 手头上(有)
we have ten dollars on hand 我们手上现在还有十美元