18.If worst comes to worst, you can always scrap your Dreadnaught if your opponent gets to close and you can't counter him.
如果情况越来越糟,当你的敌人越来越近而你无法抵抗的时候,你可以回收掉无畏战舰。
19.This paper is aimed at presenting the authors' study and analysis on the economic system for a virtuous circulation mode with teletube glass scraps in China by using the method of system analysis.