2. It's a pity to step on the green carpet, but it's okay to take a few more steps. ?
3. Care for every piece of green with love. ?
4. Bypass three or five steps and leave the grass green. ?
5, green grass, please be merciful. ?
6, the grass gives me a piece of green, I give the grass a love. ?
7. I like flowers, I like grass and I like green saplings. ?
8, Fang Cao Yi Yi, everyone pity. ?
9. There is love in the heart and compassion at the foot.
10, green grass, how can you stand it?
1 1, patches of green grass are resting, please don't disturb.
12, the grass has life, and more "green" is left under the foot.
13, it is everyone's responsibility to take care of greening.