One t can′t make a forest, so we need teamwork.
Most Chinese think the color r is the symbol of good luck.
To live a low﹣carbon(低碳) life, we should t off the lights when we leave the room.
I feel so h that I would like something to eat.
It t us 90 minutes from Tongren to Guiyang by high speed train.
Smoking does harm to h .We'd better give it up.