重点讲解：
1. burst out
突然…起来；突然出现；突然发生；
eg. The class burst out laughing.
全班突然大笑起来。
eg. Then war burst out.
战争突然爆发。
2. have sb. do sth.
劝说；让；命令某人做某事；
eg. If you happen to talk to him, have him call me.
如果你碰巧能和他说话，让他给我打个电话。
eg. The bridge is not as impressive as some guides would have you believe.
这座大桥并不像有些导游说的那么雄伟。
3. continue to do sth.
继续；持续做某事；
eg. I hope they continue to fight for equal justice after I'm gone.
我希望我走了以后他们能继续为司法公正而战。
eg. Interest rates continue to fall.
利率持续下调。