meaning:they had a number of suggestions as to how to cut down the rate of drunken -

问题描述:

meaning:they had a number of suggestions as to how to cut down the rate of drunken -

他们已经提出了一系列降低醉酒率的建议

意思是:他们有一些建议(如怎样降低醉酒率)?

至于如何减少醉酒的比率,他们有很多建议.