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used when the two numbers or amounts mentioned are being added together 加 Two plus five is seven. 二加五等于七。 The cost is £22, plus £1 for postage. 费用为 22 英镑,另加 1 英镑的邮费。 Membership is 350 dollars per year plus tax. 会员费是每年350美元外加税。
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as well as something/somebody; and also 和;也;外加 opposite minus
Word Originmid 16th cent.: from Latin, literally ‘more’.
Idioms
plus or minus
used when the number mentioned may actually be more or less by a particular amount compare give or take或多或少;左右;大约