The credibility of American regulators has slipped because they have let domestic competition decline.

美国监管机构的信誉已经下滑，因为他们放任国内竞争下降。

These issues include the slow pace of domestic competition and inadequate youth development programs.

这些问题包括国内比赛节奏缓慢和青少年发展计划不足。

One of the most significant problems plaguing the team is the pace of domestic competition.

困扰球队的最重要问题之一是国内比赛的节奏。