✔ 最佳答案
1) By using energy saving bulbes,everyone can enjoy the low cost of their electricity bill.
2) By using energy saving bulbes,your living conditions will be greatly improved.
3) To have a better living enviroment,it is our duty to take priority actions.
4) It seems that we have no business connections with your company before.
5) In regards to our recent contact, it is the aim to introduce to you that prices of LED Lamp products and Lamp's accessories are at 10% discount..
6) As far as part-time workers being concerned, they are allowed to choose freely a flexible working timetable provided at least to work two days within a week.