The phrase 'smoothly and efficiently' is correct and usable in written English. For example, you could use it to describe a process or system that works well, such as, "The new process ran smoothly and efficiently.".
The Clinton machine runs as smoothly and efficiently as a Rolls.
This will help engage the correct muscles (namely your glutes and hamstrings) to propel you forwards smoothly and efficiently.
Its goal is to use virtualization software to make servers and storage systems work more smoothly and efficiently.
After two months of practice, researchers say, the degus can move the rake as smoothly and efficiently as croupiers in any Las Vegas casino.
A theoretical model of centralized planning works as smoothly and as efficiently as a theoretical model of a perfectly competitive market, but neither exists in the real world.
He added: "You have to be able to cycle smoothly, efficiently and safely, into and around Reading, before you will encourage people to get on their bikes".
In the brief clip posted to YouTube on Monday, the president-elect said that "our transition team is working very smoothly, efficiently, and effectively", contradicting a wealth of media reports telling of chaos in Trump Tower as Trump struggles to build a team.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia