trade bans的用法和样例：
例句
- Big exporters began lifting the trade bans they had imposed to keep local prices from rising, so more food became available to world markets.
粮食出口大国也取消了为防止本地粮价上涨而设的贸易禁令，有更多粮食流向世界市场。 - Some hog producers were furious at the trade bans, saying they were simply a political ploy by countries to give their own farmers a leg up.
一些愤怒的养猪生产者的贸易禁令，称他们只是一个政治阴谋的国家放弃对自己的农民一条腿了。
