【正文】
it is wise to use bags which can be reused again and again. finally, one thing that we should keep in mind: every big thing es from the subtle. therefore, as students, we ought to turn out the lights the moment we leave, turn off the tap in time, and reuse our textbook and so on. all in all, it weighs greatly for all of us to put the low carbon lifestyle into practice. just set our mind to these: nocar day, no plastic bags, and no waste. letamp。rsquo。s do it now