used when the two numbers or amounts mentioned are being added together加◆The book is available at $19.49 plus shipping.这本书价格为19.49元，另加运费。◆You pay back the original loan amount plus interest.你须偿还贷款本金外加利息。as well as sth/sb; and also和；也；外加◆Give a description of your service or product plus information about who uses or buys it.描述一下你们提供的服务或产品以及使用者或购买者的情况。 OPP minus ●plus or ˈminusused when the number mentioned may be more or less by a particular amount或多或少；左右；大约◆They expect to report earnings of $174 million, plus or minus $1 million.他们预计报告 1.74 亿元的收入，上下浮动 100 万元左右。◆The margin of error was plus or minus three percentage points.误差在三个百分点左右。