他说，他担心经验较少的骑行者对骑行规则缺乏认识，以及不骑车人群会对此作出强烈的负面反应。
He said he worried about inexperienced riders' lack of awareness of biking rules and strong negative reaction from non-cyclists.
缺乏对核心业务数据的共同认识和定义。
The lack of a common understanding and definition of core business data.
而在社区中，登记率低是由于缺乏对登记重要性和登记手续的认识。
In the community, low registration was due to lack of awareness about the importance of and procedures for registration.
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