重点讲解：
1. come up with 想出，提出(计划、想法等)；
Howard Wilkinson has come up with an absolute corker of an idea.
霍华德·威尔金森想出了一个绝佳的主意B(wIQQyuUgmj1Jy=Sz0。
3. get one's hands on 通常指经过努力后）获得，得到；
If he wanted to splash out on a new car it would take him a couple of days to get his hands on the cash.
如果他想出一大笔钱买辆新车，他得花好几天才能筹到现款A4YIReWn|Bayp。
3. account for 解释；
Now, the gene they discovered today doesn't account for all those cases.
不过，他们现在发现的基因无法解释所有的病例;=dvp*MM8NcFI^-。
4. once again 又一次；再次；
He explained it once again.
他重新讲了一遍cvV[+t6PR38!Awoys。