1·A written instrument given as evidence of agreement, transfer, or contract; a deed.
契据，证书作为合约、转让或合同的证明的书面文书；契约。
2·This Lease Agreement may be changed only by a written instrument signed by parties.
对本合同只可通过双方书面修改。
3·This Agreement may be amended only by a written instrument executed by both Parties.
本协议只有由协议双方签立一份书面文书，方可予以修订。
4·This Contract shall not be changed verbally, but only by a written instrument signed by the Parties.
本合同以口头修改，而须经双方签署书面文件后方可修改。
5·This Agreement may be amended only by written instrument signed by both Client A nd Design Consultant.
本协议的修改只能通过业主与设计顾问双方签署的书面同意文件进行。
6·This Agreement shall not be modified or amended except by a written instrument, signed by the parties hereto.
除非双方当事人共同签署书面文件，否则本“协议”不得修改或修订。
7·This Agreement may be amended only by a written instrument signed by duly authorized representatives of both parties.
本合同只有经双方当事人授权的代表正式签署的书面文件，方可修改。
8·This Agreement may not be changed, modified, amended or supplemented except by a written instrument signed by both Parties.
本协议不可被改变、修改、修订或补充，双方以签订书面文件的形式除外。
9·The only problem is that half of these bars were written for only one instrument.
唯一的问题是这些小节有一半都只写到一种乐器。
10·I think a credit instrument is a written evidence of the extension of a loan.
我认为信用工具就是发放贷款的书面证明。