In Europe and Asia, specific soil organisms help keep the plant from becoming an invasive weed, but these microbes aren't found in North American soil.
在欧洲和亚洲，某种土壤微生物制约着这种植物，使它不具有“入侵性”，但是，北美洲的土壤里没有这种微生物。
In Europe and Asia, specific soil organisms help keep the plant from becoming an invasive weed, but these microbes aren't found in North American soil.
在欧洲和亚洲，某种土壤微生物制约着这种植物，使它不具有“入侵性”，但是，北美洲的土壤里没有这种微生物。
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