It was, however, not the first time for Australia to host the Olympic Games.

然而，这并不是澳大利亚第一次举办奥运盛会。

This is the second time for China to host the world horticultural exposition at its highest level.

这是我国第二次承办世界最高级别的园艺博览会。

In this programme we'll be asking: is it right for Qatar to host the World Cup?

在本期节目中，我们会问：卡塔尔举办世界杯合适吗？

Global Changemakers is looking for partners to host next year's summit in Mexico for Latin America and the Latin community in North America.

全球变革者组织正在寻找合作伙伴，为拉丁美洲和北美的拉美社区主办明年在墨西哥举行的峰会。

In 2022 it will become the only city in the world ever to have hosted both the summer and the winter Olympic Games.

到2022年，它将会成为世界上唯一一个既举办过夏季奥运会，又举办过冬季奥运会的城市。

Viruses need to spread from host to host to survive, it doesn’t do them any good to instantly kill whoever they infect, because that doesn’t leave enough time for them to infect others and continue to survive.

病毒需要藉由持续散播到不同个体来生存，所以立刻让感染者死亡对病毒是没有任何好处的，因为如此一来病毒便没有足够的时间来感染其他人以继续生存。