9. Through international trade, countries ___________ goods they produce most efficiently for goods other countries produce most efficiently.

Among all the workers in the company, Tom works ______. A: the less efficiently B: less efficiently C: the least efficiently D: the lest efficiently

Software engineering is the establishment and use of sound engineering principles in order to obtain ________ software that is ________ and works ________ on real machines. A: reliable, economically, efficiently B: economically, reliable, efficiently C: efficiently, economically, reliable D: reliable, efficiently, economically

The plan is designed to _________ employees _________ work more efficiently.

The boss hopes the employees to _____ his new plan efficiently.

An asset is ________ when another asset can do the job more efficiently.

Compared with human memory, machines can identify human faces more efficiently.

____this way, resources are being used more efficiently. A: On B: About C: In D: For

Markets fail to allocate resources efficiently when

At the market equilibrium, resources are allocated efficiently because: