You might investigate the cause of the slow progress and determine whether you should resolve or track blocking issues.

您可能要调查进度缓慢的原因，并确定是否应解决或跟踪阻滞问题。

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As they neared the finish line, the car in front of Roy took a corner too quickly and flipped over blocking the track.

就在他们接近终点线时，罗伊前面那部车因为转弯。

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Instead of blocking their activities, governments will increasingly track Web rebels and then make examples of a few.

FORBES: Magazine Article

For years rival track owners have accused the Frances of blocking other tracks from getting lucrative race dates.

FORBES: NASCAR's Trouble At The Track

Schumacher has never admitted to deliberately blocking the track but he was found guilty by race stewards and put to the back of the grid.

BBC: Ferrari out to beat Michael Schumacher and Mercedes