| 1 | But not everyone wants to know what their DNA says about them. What if you found out you had a high propensity for developing a rare, incurable disease? | |
| 2 | He is gifted with rare eloquence. | |
| 3 | Purple is a very rare color in nature; some people consider it to be artificial. | |
| 4 | 外星人可能在那里存在，可是我们可能会从发现它们而学到很多东西。然而由于恐惧外星人可能会发现我们，而把地球用百叶窗遮闭起来，这仅是一种罕见的狂想。 The extraterrestrials may be out there, and we might learn much by discovering them, but it is paranoia of a rare sort that would shutter the Earth out of fear that they might discover us. | |
| 5 | The past few weeks, however, have been one of those rare phases. |
