After weeks of back-and-forths, the two teams finally agreed on the contract terms.

The team's back and forths over the project schedule eventually led to a clearer timeline.

Hold that thought; be right back.

During the race, the cyclists gained speed on the back straights before entering the final turn.

Thanks for the compliment, back at you.

She donated her back numbers to the community library so students could research past trends.

The old postcards had colorful fronts but plain back-sides filled only with addresses and stamps.

The small profits the start-up ploughed back into research paid off within a year.

After the harvest, the farmer plowed back the crop residues to enrich the soil.

After a successful year, the company ploughs back a portion of its profits into employee training programs.