In addition to visible trades such as import and export goods and merchandise etc. outside, there is also invisible trade, include the commutation for serving of the of nation among them.
除了进出口货物和商品等有形交易之外，还有无形交易，其中包含国家之间服务的交换。
In addition to visible trades such as import and export goods and merchandise etc. outside, there is also invisible trade, include the commutation for serving of the of nation among them.
除了进出口货物和商品等有形交易之外，还有无形交易，其中包含国家之间服务的交换。
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