环保问题 (Environmental issues)

   环 保 问 题 (Environmental        issues) 环 保 问 题 (Environmental
issues) as is apparently      revealed      in the pie charts       above,
forty-eight  percent   of people     surveyed     have never heard of
the  international    no  motor     vehicle    day   while   fifty-seven
percent are willing to give up driving on such a day. what is
betrayed in the pie charts is most thought-provoking.
    the  implied    meaning      of   the  pie   charts   is  both
disapp ...