| 1 | But stars are rarely seen in the haze of Beijing. | |
| 2 | Immigrant networks are a rare bright spark in the world economy. | |
| 3 | By rare we meant they are probably not ordinary clouds you get to witness everyday. | |
| 4 | His images rarely come on the market, Hammer said. | |
| 5 | They showed the kind of strength that is extremely hard to find in today' s politics. |