So only a small crowd, say, a grade school class taking a field-trip to the park, would have to gather around that bench before it became more likely than not that two people shared a birthday.

所以当一小群人——比方说在公园游玩的小学的一个班——聚集在长椅周围时，很可能就有两个人生日相同。

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While it is hard to rank rivers and lakes around the world in terms of who is the worst, there are a few that stand out in the crowd.

虽然很难给世界各地最差的江河湖泊排个名次，但有几个江河湖泊却是极其明显的脏。

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As the group played, a crowd began to gather around it, including a handful of unexpected onlookers.

NPR: Hugging Highway 1: Blind Pilot's Bicycle Tours

Burke, only recalled because of injury to Michael Chopra, had danced around the covering defenders before poking a miss-hit effort through a crowd of bodies and it trickled into the corner of Millwall stopper David Forde's net.

BBC: Sport - Football - Millwall 3-3 Cardiff