The mission was simple for the Miami Heat. Stay healthy, and build momentum for the postseason.

They failed on both counts.

這篇文章是從nba.com來的，說邁阿密熱火隊只要健康和有動力就可以在季後賽出頭。但他們沒做到。
以下是Longman的解釋：
on all/several/both etc counts：
解釋：in every way, in several ways etc
例句：It was important that they secure a large and widespread audience. They failed on both counts.

It is important to keep healthy and diligent in pursuit of this degree, yet he failed on both counts.