Antibiotics and escalator etiquette 美国人过多使用抗生素，伦敦地铁扶梯礼仪

本集内容 Antibiotics overprescribed 美国人抗生素使用过多

Escalator behaviour trial 伦敦地铁扶梯试行“只站不走”

A new study has concluded that antibiotics are prescribed inappropriately in nearly a third of cases in the United States. It's estimated 47 million unnecessary prescriptions are given out every year – most are for viral illnesses that don't even respond to antibiotics.

一项新研究作出的结论说，在美国，有近三分之一的情况下抗生素被不合理地开给病人使用。据估算，每年有四千七百万不必要的抗生素处方被开出，其中绝大多数都是为了使用抗生素治愈病毒性疾病，而病毒性疾病本身对抗生素并不会有任何反映。

Now if you've ever visited London you might have learnt the long-standing tradition of escalator etiquette where if you want to stand you stay on the right and if you want to walk up you walk on the left. Well, an experiment by Transport for London has found that congestion is eased when commuters are encouraged to stand on both sides. The trial is being extended for six months. 

如果你曾来访过伦敦，那么你很可能已经对由来已久的“扶梯礼仪”有所了解。在伦敦，乘坐自动扶梯时，站立靠右，行走靠左。近日，伦敦交通局推出的一个试验发现上班族在搭乘扶梯时只站不走的话，可以帮助缓解高峰期扶梯客流拥堵情况。此提议的试行期已经被延长至六个月。

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