妇女常常承受着与野生动物发生冲突的直接代价;
共和党人同时需要为阻挠议事付出直接代价——在迫切需要立法的项目上影响力降低(和在立法过程中受制于Pelosi女士)。
The Republicans are also paying a direct price for their obstructionism—surrendering what influence they might have had over impending legislation (and playing into Ms Pelosi’s hands in the process).
根据防治的直接收益与直接代价,算出了第三代棉铃虫的经济阈值为百株累计卵量35粒,这一阈值可适用于不同肥力水平的地块。
Based on the direct benefit and cost, the economic threshold of the third generation bollworm was calculated to be 35 eggs per 100 plants for all the levels of soil fertility.
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