The transportation of goods by air costs a lot.
航空运输货物花费很高。
The transportation of goods by air costs a lot.
航空运输货物花费很高。
The cost of transmitting books by air is very high.
空运书籍的费用很高。
Because all my vegetables are from U.S. by air. And this cuke is very nutrient and has a lot of vitamins.
因为我这里所有的蔬菜都是从美国空运过来的,
且这个黄瓜营养丰富,富含各种维生素.
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