IT顾问新手必须牢记为其前半小时在正常现场服务费率的基础上追加30%到40%，或者干脆追加一个固定费率的附加费用。

New IT consultants must remember to charge 30% to 40% more than their regular onsite rate for the first half-hour or simply add a flat-rate callout fee.

youdao

我们按理货收费率的100%收取附加费。

We charge extra fee at 100% of the rates of tallying fees.

youdao

以上费率只限于一层展品，对于二层及以上展品将产生30%的附加费。

Above rates are based on ground floor exhibits only, a 30% of inbound movement charges and on-site service will be levied.

youdao