求翻译：随着社会的发展，世界环境的污染日益恶化，我们应该学会保护环境。首先，我们要先不乱丢垃圾；再宣传保护环境的好处；是什么意思？

With the development of society, the world's worsening environmental pollution, we should learn to protect the environment. First, we must first do not litter; and then publicize the benefits of environmental protection;

With the development of society, the world's environmental pollution is deteriorating, we should learn to protect environment. First of all, we have to first-come-first-served basis; no longer do not litter the benefits advocacy protection of the environment;

Along with society's development, the world environment pollution worsens day by day, we should learn to protect the environment.First, we must not randomly throw trash first; Again propagandizes the protection environment advantage;

With the development of society, the world's worsening environmental pollution, we should learn to protect the environment. First, we must not littering; publicity benefits of protecting the environment;

With the development of society, the world's worsening environmental pollution, we should learn to protect the environment. First, we must first do not litter; and then publicize the benefits of environmental protection;