A: I don't know what to buy for a present.
B: Why not trying shopping online? You can find your favorite absolutely.
A: Shopping online? Sounds troublesome. I don't know how to do.
B: Not troublesome at all. Shopping online is convenience. The only
thing you need to do is enter the website and choose the the present
you need, for exsample ragdolls， stationey or jewelry， and then pay
for it.
A: Is that all? Isn't it expensive?
B: Most are the same prices or even cheaper! Shopping online is cheap and convenience, you needn't to go outdoors to buy anything!
A: OK, thank you. I will try it later.