This is the case of classic swine fever in Haiti where recurrent outbreaks reduced the usage rate by 10 percent, which for pig farmers meant a loss of revenue of US$2.7 million per year.

病情再次暴发时，使用率减少了10%，这对养猪的农民意味着每年损失270万美元的收入。

youdao

This is the case of classic swine fever in Haiti where recurrent outbreaks reduced the usage rate by 10 percent, which for pig farmers meant a loss of revenue of US$2.7 million per year.

病情再次暴发时，使用率减少了10%，这对养猪的农民意味着每年损失270万美元的收入。

youdao