Bt is a favored organicpesticide because its toxicity is very specific, making it harmless to just about everything but the pest in question.
Bt由于它的毒性非常专一，只是对昆虫有毒性而受有机农药欢迎。
2
So whether you pick them up from the regular produce section or the organic aisle, your pesticide exposure is going to be low.
所以不管你是在有机作物种类里选，还是在常规作物种类里选，它们的农药含量都是很低的。
3
For those shoppers, it makes sense to know when to buy organic and which conventionally-grown foods are good enough because they already are low in pesticide residue.