trade in

基本解釋

Then I will give your brother back to you, and you can trade in the land.
這樣，我就把你們的弟兄交給你們，你們也可以在這地做買賣。
He pointed out, the trade in a country is determined by the market and its degree of openness, not by the exchange rate.
他表示，一個國家的貿(mào)易是由其市場和其開放程度來決定的，而不是由一個國家的匯率來決定的。
But even then, it took a decade to phase them out. So it was not until 2005, more than half a century after protection began, that trade in textiles and apparel was finally liberalized.
但即使如此，這種保護(hù)又經(jīng)過十年才壽終正寢，也就是直到2005年，在保護(hù)主義實(shí)施了半個多世紀(jì)之后，紡織與服裝業(yè)的貿(mào)易最終實(shí)現(xiàn)了自由化。

The researchers say the United States represents more than fifty percent of the trade in coral and reef fish.
He urged revival of the slave-trade in the late 1850s, and he developed a theory of what he called warranteeism--w-a-r-r-a-n-t-e-e-I-s-m.
他促成了十八世紀(jì)五十年代后期,奴隸交易的復(fù)蘇,還自己發(fā)明了一套理論,名為抵押品主義
耶魯公開課 - 美國內(nèi)戰(zhàn)與重建課程節(jié)選
You'd have to be an authorized participant, but if you become an institution you can get authorized to trade in the auction.
只有授權(quán)參與商才可以參加,如果你是一個商業(yè)機(jī)構(gòu),你可以獲得授權(quán)參與交易
耶魯公開課 - 金融市場課程節(jié)選

Yet the cheap system processed a trade in 50 milliseconds, one-fourth the time needed by the Sun system.
FORBES: The New Barbarians