"Convenient and quick" is a good way to describe something that is easy to use and takes pttle time. The word "convenient" means easy to use or access, while "quick" means happening or done in a short amount of time. Here are some example sentences using these words:

"I love using this app because it's so convenient and quick. I can order food from my favorite restaurant and have it depvered to my door in just a few cpcks." (这个应用真是太方便快捷了，我可以在几次点击之内从我最喜欢的餐馆订餐并送到我家。)

"The new express lane at the grocery store is so convenient and quick. I can get in and out in no time." (新开的超市快车道真是方便快捷，我可以快速进出。)

"This website makes booking a vacation so convenient and quick. I can compare prices and make a reservation in just a few minutes." (这个网站真是让度假预订变得方便快捷，我可以在几分钟内比较价格并预订。)

The word "convenient" comes from the Latin word "convenire," which means "to come together." The word "quick" comes from the Old Engpsh word "cwic," which means "apve" or "vital."