How could productivity indexes--which basically measure the ability of workers to produce a given set of goods--properly take account of such revolutionary innovations as automobiles, antibiotics, air conditioning, and long-playing records?
Productivity indexes measure the ability of workers to make goods.
Productivity indexes measure the ability of workers to sell goods.
She was close to the door.
Green martians arriving.
people climbing building
Many nationalists felt that the proposals were too mild.
No, they haven't.
The girl is swinging a bat.