Public health officials hope that a treatment can be developed that does not require injections.

VOA: special.2009.04.06

He designed a goat milking machine that does not require any electricity or motors.

VOA: special.2010.07.20

It does not require students to buy their textbooks either.

VOA: special.2009.09.03

It does not require a health club membership.

VOA: special.2010.06.08

The Constitution does not require it.

VOA: special.2009.01.19

But it does require them not to tell anyone about their sexual preference.

VOA: special.2010.02.06