唯一需要協商的是，傭金應根據貴方的參與程度而定。我們給出一個幅度，3%-5%。

熱心網友

The only matter to be negotiated is that commision should depend on/be decided by the extent to which you will participate in it. Our range is 3%-5%.注：1、depend on比be decided by要好； 2、"...participate in it"這里的it由上下文確定其內容。

熱心網友

The only issue to consult is the commission should depend on your participation degree . We provide a range , 3%-5%.

熱心網友

The only matter we should consult is about the commission which should be decided by your party's participation. Our permitted range is between 3% and 5%.

熱心網友

mytranslation ,whichdependsonyourparticipation.Itcanrangefrom3%to5%.

熱心網友

唯一需要協商的是，傭金應根據貴方的參與程度而定。我們給出一個幅度，3%-5%。The only issue to negotiate is that commision be given depend on how much work you do. Our offer is 3% to 5%.something to do，在此我認為the only issue to negotiate instead of "The only issue to be negotiated"

熱心網友

The only issue to be negotiated is commission fee dependent on the extent of your participation. Our offer is 3%-5%.

熱心網友

我的翻譯The only issue to be negotiated shall be the commision which should depend on how far your pary participates. The available range is 3%-5%.