例句與造句

1. existing proprietary standards tended to serve as protection for manufacturers of communication equipment and to tie the user to the respective company
   現(xiàn)有的專有標準往往傾向于保護通信設(shè)備制造商，并把用戶綁定到所屬公司。
2. It's difficult to find proprietary standard in a sentence. 用proprietary standard造句挺難的