但农药作为有毒化学品，也给生态、环境与人类健康带来了巨大的负效应。
But as the toxic chemical product, the pesticides also bring the negative externalities to ecology, environment and human's health.
但农药作为有毒化学品，也给生态、环境与人类健康带来了巨大的负效应。
But as the toxic chemical product, the pesticides also bring the negative externalities to ecology, environment and human's health.
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