For example there is a great deal of sea transportation tall ship in Greece and Norway etc. nation, providing a conveyance service, this is a kind of invisibletrade.
譬如希腊和挪威等国家有大量的海运船队，提供运输服务，这就是一种无形交易。
2
In addition to visible trades such as import and export goods and merchandise etc. outside, there is also invisibletrade, 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。
3
Another brought down the World Trade Center, closing its Windows on the World restaurant forever and putting up new invisible and concrete walls among people at a time shen we thought 11.