https://www.cnbc.com/2017/08/17/the-worlds-top-10-most-livable-cities.html
2017年选出的世界10大最适宜居住的城市,没美国啥事,加拿大占了三个:
1. Melbourne, Australia
2. Vienna, Austria
3. Vancouver, Canada
4. Toronto, Canada
5. Calgary, Canada
6. Adelaide, Australia
7. Perth, Australia
8. Auckland, New Zealand
9. Helsinki, Finland
10. Hamburg, Germany