彭蒙惠英语(常规版)2019年4月期

彭蒙惠英语(常规版)2019年4月期

'Be prepared
Of course, the best safety advice for outdoor recreation is to always be prepared. Know what you're getting yourself into and how to get out of it.If everyone came prepared, we'd probably see a lot fewer signs and alterations.……

 


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