It was only ever going to be effective at range, so he needed to avoid attention.

Both pitchers have been more effective at home than on the road this year.

His resignation is effective at the end of the season.

All three received point penalties effective at the start of next season.

The change will become effective at the end of this month.

Affiliated management is particularly effective at cost control, she said.

Their hand weapons didn't have enough power to be effective at that distance.

But he wasn't very effective at the center of things.

It wasn't effective at close range, but he could handle that.

Her resignation is effective at the end of the month.