英语翻译我们的课文我不太明白可以翻译一下?oncetherewasnomoney.ifpeoplewantedtogetsomething,theyhadtogivesomething.thisisthewayitusedtobe."iwillgiveyoumycowforyourpig,"amanwouldsay."i'llgive

　　英语翻译我们的课文我不太明白可以翻译一下?

　　oncetherewasnomoney.ifpeoplewantedtogetsomething,theyhadtogivesomething.thisisthewayitusedtobe.

　　"iwillgiveyoumycowforyourpig,"amanwouldsay.

　　"i'llgiveyoumybowlifyougivemeashirt,"anotherwouldsay.

　　"herearesevenorangesforonefish."

　　"willyougivemeachickenforabagofcorn?"

　　peoplehadtotradethinseveryday.theyhadtogivesomethingtogetsomethingbecausetherewasn'tanymoney.

　　buttheyhadtoworkoutagoodtrade,onethatcameouteven.

　　whatcouldyougetfortwochickens?weretherebagsofapplesagoodtradefortwobagsofgrapes?oronebagofapplesforalittlebutter?whatwasaneventrade?itwashardtoknow.

　　anditwastoohardtocarryaroundallthethingsfortrading.peoplehadtousetoomuchtimegettingthingstheyneeded.sotheythoughtofanewwaytotrade.

　　theythoughtofmoney.

　　moneycould"standfor"apples,orbowls,orpigs.

　　andapocketfulofmoneywasbetterthanapocketfulofpigs.

　　withmoney,iswasnotsohardtotrade.everyonecouldusemoney.themanwhoneededapigcouldbuyitwithmoney.themanwhosoldthepigcouldkeepthemoneyuntilheneededsomething.peoplecouldworktogetmoney,andpeoplebuythingswiththemoneythegotfromwork.

　　以上是我们的课文.谢谢.

　　主要是这句不太理解buttheyhadtoworkoutagoodtrade,onethatcameouteven.

　　workout是计算吗ONETHATCAMEOUTEVEN.不好理解，希望知道他们的句子成分及语法相关的信息。谢谢