Examples
wǒ men我们zuò做zhè这shì事méi yǒu没有é wài额外bào chou报酬。
我们做这事没有额外报酬。
We won't get paid extra for doing this.
您碰巧有一本额外的英文字典吗？
Do you have an extra English dictionary by any chance?
购买新装置的用户可享有额外试用优惠。
Customers who purchase a new device can enjoy additional trial period as a promotional offer.