1·With no known vaccination or cure available, it seems only a matter of time until another epidemic erupts.
由于目前还没有已知的疫苗或治疗方法，下一次疫情爆发似乎只是时间问题。
2·Imagine the cost if one of those erupts.
想象一下如果其中一个爆发造成的损失吧。
3·Violence often erupts in the contested waters there. Boats routinely jostle for position during crab-catching season, and three deadly naval clashes since 1999 have taken dozens of lives.
在这片争议海域经常爆发暴力行为。在捕蟹季节，渔船争抢位置是常有的事。自1999年以来，三次严重的海上军事冲突已经夺走了几十人的性命。
4·The Arenal Volcano in Costa Rica erupts suddenly in February 2010, turning the sky an ominous yellow-brown.
2010年二月，位于哥斯达黎加的阿雷纳火山突然爆发，天空呈现骇人的的黄棕色。
5·Lava heads for the sea as Mount Etna erupts Wednesday night on Sicily.
西西里岛上的埃特纳火山星期三爆发，岩浆奔流入海。