Once you are aware of this, you can try joining in a conversation with foreigners.
了解到这一点,你就可以试着与外国人交谈。
But after a measles outbreak in California, the disease has now spread to 102 people in 14 states. Politicians are joining the heated conversation about vaccines.
但是在加利福尼亚爆发麻疹疫情之后现在病毒已经感染了14个州的102人。政客们也纷纷加入到了关于接种疫苗的激烈争论。
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