沃达丰持有中国移动小部分股份，也希望全球有一个通用4g标准以实现轻松漫游，并促进规模经济。
Vodafone owns a small stake in China Mobile and would like a single global 4g standard to make roaming easier and increase economies of scale.
分析师们认为，漫游资费占了全球移动运营商收入的5%到10%及其利润的更高份额。
Analysts reckon that roaming charges account for 5-10% of operators' revenues globally, and a bigger slice of profits.
独自旅行过程中很容易碰到其他人们，只要你住旅店时访问“沙发漫游”（Couchsurfing）网站，那是一个全球性的旅行者们的网络，他们相互帮助提供招待和建议。
It’s easy to meet people when you travel alone if you stay at hostels and hook up with couchsurfing, a global network of travelers who support each other through hosting and advice.
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