I don't use my mobile phone a lot at night,as its blue light is to my eyes.(harm)
,I'd like to congratulate all of you who have made progress in the past three years.(首先)
It's time to say goodbye. I hope I can you in the near future. (收到……来信)
Lots of tourists are amazed at the beauty of the in Yunnan. (蓝天)
Some in the medical research helped control the terrible illness. ( achieve )
My father stopped smoking. ( final )