读榜：看看排名；我们可以得出这么一个结论：铃声方面最得人心的手机必备免提扬声器。事实就是如此，排名前四位的手机都皇内置有免提扬声器的。看看分布，国产居然占据了前两席。这在ＤＣ所有的榜（国产排行除外）中是第一次。当然。我们不能假装不知道这两部手机都是国外设 Reading list: look at the rankings; we can conclude that such a conclusion: the most popular ringtones phone hands-free speakerphone. In fact, the top four mobile phones have built-in hands-free speakerphone. Look at the distribution, domestic actually occupy the first two seats. This is the first time in all DC list (excluding domestic rankings). of course. We can not pretend we do not know that these two phones are all foreign countries