求翻译：比如，我们可以把吃不完的食物带回家，尽量用钢笔，少用铅笔，因为制造铅笔需要许多树木。这是我们每一个人都能为环保做到的。是什么意思？

For example, we can not eat food to take home, try to use the pen, less with a pencil requires a lot of trees, because the manufacture of pencils. Each of us can do for the environment.

For example, we do not have to eat the food as much as possible, and go home with a pen, pencil, pencil manufacturing because there are many trees. This is each and every one of us can do for the environment.

For instance, we may food which cannot finish eating bring back to the family, uses the fountain pen as far as possible, little uses the pencil, because makes the pencil to need many trees.This is our each people all can achieve for the environmental protection.

For example, we can not eat food to take home, as far as possible with a pen, use a pencil because manufacturing pencil many trees. This is every one of us can be environmentally friendly.

正在翻译，请等待...