Throughout the courseof history, people have travelled for purposes of trade, religious conviction, economic gain, war, migration and other equally compelling motivations.
在整个历史进程中,人们为了贸易、宗教信仰、经济利益、战争、移民和其他同样强烈的动机而旅行。
2
Ofcourse, China and America do not trade only with each other.
当然了,中国和美国不仅仅只局限于相互之间的交易。
3
The typewriter/computer/notebook are, ofcourse, just the instruments of the trade, but it's possible they have more influence on the eventual product than we think.