We should help the environment, such as not leaving trash down the River, and anything that can be recycled again, we should be reused to save natural resources.
We should help preserve the environment such as waste into rivers and anything that can be recycled again, we should be reused repeatedly. To conserve natural resources
We should help to preserve the environment, such as no garbage into the river, and nothing can bring back the ใช้ได้อีก we should take. To save natural resources.