France derives 16% of revenue from air freight.

法国国家税收的16%来自于航空货运。

Here is the air freight list for your information.

我这有一张空运运价表，供您参考。

Because the price of air freight is too expensive.

因为空运的价格太贵了。

You can send this trunk by air freight or by sea freight.

你可以用空中货运或海上货运来寄这个皮箱。

We can hardly afford such a high air freight by ourselves.

我们自己承担不起这么高的空运费。