in general a lot of export enterprises can carry out state environmental protection laws and regulations and attach great importance to the environmental protection while there are some enterprises that unlawfully discharge pollutants discharge pollutants violating standards or overall volume or unlawfully use environmental resources so as to decrease export costs firstly the said phenomenon improves the pressure on resources and environment as a result the pollution their products caused is left at home but their products are exported abroad

总的来说，很多出口企业能够执行国家环境保护法律法规，重视环境保护，但也有一些企业为了降低出口成本，违规排放污染物，违规排放污染物或违规使用环境资源，这种现象首先增加了其产品造成的污染对资源和环境的压力留在国内，但他们的产品出口国外

以上为机器翻译结果，长、整句建议使用 人工翻译 。