凭说明书买卖

凭的英语翻译：

base on; depend on; evidence; in the name of; lean on; rely on

说明书的英语翻译：

【计】 explanatory memorandum; instruction book
【化】 specification

买卖的英语翻译：

merchandise; marketing; bargain; buying and selling; trade; transaction
【经】 bargain; commercial act; commercial transaction; handle