오유 지식인 여러분 수고하십니다!

30분째 해석이 안돼서 머리 부여잡고있다가 결국 오유에 도움을 신청합니다.ㅜㅜ

In two-way mock races, all three continue to run neck-and neck in their respective match-ups. The three are competitively announcing their pledges but managing to gain little steam as voters struggle to weigh the differences.

여기서 [The three are competitively announcing their pledges but managing to gain little steam as voters struggle to weigh the differences.] 이 부분이 도저히 해석이 안되네요.ㅜㅜ 

부탁드립니다!