usual expense的意思|示意

But everything was going as usual. The most unusual thing was that Hong asked for a higher and higher living expense.

可是一切如常，就是洪小玲索要的生活费在不断上涨，她总是说物价一直在涨。

The seller must, at its own expense, package the goods, unless it is usual for the particular trade to transport the type of goods sold unpackaged.

卖方必须自付费用包装货物，除非按照相关行业惯例，所售类型的货物通常无需包装发运。

The seller must provide the buyer at the seller's expense with the usual proof of delivery of the goods in accordance with A4.

卖方必须自担费用向买方提供证明按照A4规定交货的通常单据。