易混淆的单词： NetsNETSNETs

Europe 's welfare states began as basic safety nets .

欧洲的福利国家起初建立的仅仅是最基本的安全网。

Eg. the animals are captured in nets and sold to local zoos .

动物在网里被捕获后然后被拿到当地动物园去买。

They say the nets and cages permit fish diseases and pests to spread .

他们说，养鱼的笼、网容易导致病虫害传播。

They are life 's little safety nets and can be great to have .

后备计划是你生活中小小的安全网，绝对值得拥有。

Three hundred million antimalaria bed nets are needed to protect impoverished africans from the disease .

为了使非洲脱离这种疾病需要生产3亿个抗疟疾网床。