“the work of a moment”造句，怎麼用the work of a moment造句

It was the work of a moment to cut the ropes and set the man free.

Darwin's great discovery was not the work of a moment but was preceded by years of patient, arduous observation.

It was the work of a moment to cut off the light.

What is more, they last far longer than batteries and when they do need recharging, it is the work of a moment.