According to Pedestrians Association director Ben Mark. The hidden dangers of walking along a sidewalk are not clear by a lack of comprehensive date, concerning the true extent of the problem.

根据行人协会主管本马克，在人行路上行走的隐性危险不清楚是因为缺少综合数据，这是关于这个问题的真正严重程度。

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According to Pedestrians Association director Ben Mark. The hidden dangers of walking along a sidewalk are not clear by a lack of comprehensive date, concerning the true extent of the problem.

根据行人协会主管本马克，在人行路上行走的隐性危险不清楚是因为缺少综合数据，这是关于这个问题的真正严重程度。

youdao