efficient

If a product is efficient, it can work well without wasting money, time, and effort.如果一個(gè)產(chǎn)品是高效的，它可以很好地工作而不浪費(fèi)金錢、時(shí)間和精力。

A fuel-efficient car can go a long distance without using much gas.

Efficient service at a restaurant can save customers time and not keep them waiting.餐館里高效的服務(wù)可以節(jié)省顧客的時(shí)間，而不是讓他們等待。

This air conditioner is much more energy-efficient than the other one.

This car looks great, but it's not fuel-efficient.

high-end?高端的

High-end products are of high quality and are usually expensive.高端產(chǎn)品質(zhì)量高，通常價(jià)格昂貴。

Many people buy them because they want the best quality.?很多人買它們是因?yàn)樗麄兿胍詈玫馁|(zhì)量。

But others don't because they think they aren't cost-effective.?但也有人不這么做，因?yàn)樗麄冋J(rèn)為這樣不劃算。

The company develops high-end personal computers.?這家公司開發(fā)高端個(gè)人電腦。

He usually stays at a high-end hotel when traveling.?他旅行時(shí)通常住高檔酒店。

sophisticated

Sophisticated products are well-designed and use complex technology.

Today's computers are more sophisticated than the computers of the past.今天的計(jì)算機(jī)比過(guò)去的計(jì)算機(jī)更復(fù)雜。

They are more user-friendly and can perform more complicated tasks.它們對(duì)用戶更友好，可以執(zhí)行更復(fù)雜的任務(wù)。

This is the most sophisticated robot we have ever built.這是我們?cè)爝^(guò)的最復(fù)雜的機(jī)器人。

Smartphones are becoming more sophisticated all the time.

multifunctional?多功能的; 起多種作用的;

Multifunctional products have many different uses.

Smartphones are multifunctional.智能手機(jī)是多功能的。

They can be used to surf the Internet, listen to music, and take photos.

This multifunctional furniture serves both as a sofa and a bed.這種多功能家具既可以當(dāng)沙發(fā)又可以當(dāng)床。

The multifunctional lamp has enjoyed a sales increase for the past two quarters.這款多功能臺(tái)燈在過(guò)去兩個(gè)季度的銷量都有所增長(zhǎng)。