Because the pests prefer the taste of the trap crops, only these plants need to be sprayed, reducing the amount of pesticide use.
因为昆虫喜欢诱捕作物的味道，只有这些作物需要喷药，减少了杀虫剂使用量。
One of the problems, according to researchers and the pesticide industry, is that there are few chemicals on the market approved for use on mattresses that are effective at reducing bed bug numbers.
根据研究者和杀虫剂工业会报道：其中一个难题是只有很少的化学药品被批准使用在市场的床垫上，但这些化学药品无疑是减少臭虫数量最有效的工具。
One of the problems, according to researchers and the pesticide industry, is that there are few chemicals on the market approved for use on mattresses that are effective at reducing bed bug numbers.
根据研究者和杀虫剂工业会报道：其中一个难题是只有很少的化学药品被批准使用在市场的床垫上，但这些化学药品无疑是减少臭虫数量最有效的工具。
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