如果人人都为保护环境做出贡献___ ___ ___ ___ ___ to protecting the environment .
问题描述：
如果人人都为保护环境做出贡献___ ___ ___ ___ ___ to protecting the environment .
答
If everyone makes a contribution
如果人人都为保护环境做出贡献___ ___ ___ ___ ___ to protecting the environment .
If everyone makes a contribution