You want to be both efficient and fast.

你需要的是效率和速度！

youdao

As I said, binary trees are a very efficient and fast way of sorting.

正如我所说，二叉树排序是一种非常有效且快速的方法。

youdao

Block truncation coding (BTC) is an efficient and fast lossy image coding technique.

块截短编码(BTC)是一种快速有效的有损图像编码技术。

youdao

In addition, Siemens will provide highly efficient and fast on-board and off-board charging systems.

ENGADGET: Volvo and Siemens team up to build better electric engines

Tactically, they focus on project execution, seeking efficient and fast implementation.

FORBES: Built for Innovation

Buyback Boss, created by college student and entrepreneur Lee Lowden, uses efficient order processing and fast payouts to create a stronger incentive to go green: Giving customers quick cash for old devices that they can use to purchase new technologies.

FORBES: Online Recycling Company Makes It Easy -- And Profitable -- To Be Green