On one side we could have the paper productioncycle—here on the left—and on the other side the recycling.
我们可以看到,这里一边展示的是纸张的生产循环——在左边这里——另一边是纸张的循环利用。
2
Energy is an essential resource across the entire food productioncycle, with estimates showing an average of 7-10 calories of input being required in the production of one calorie of food.