Under the "more or less" clause, the payment for the over-load or under-load will be made according to the contract price or at the market price at the time of shipment.

如签有溢短装条款，在溢短装部分按合同规定的价格计价，或按装船时间的市价计算价格。

The L/C should include a clause 5% more or less for both the quantity and the amount allowed.

信用证必须包括装货数量和总值都有5%溢短的条款。