2) You must begin afresh.
你必须重新开始。
3) Pressure opening level
开放必须压
4) Must I?
必须打开吗?
5) You must get your spending under control.
你必须节制开支.
6) You should lay out your money in a planned way.
你必须计划开支。
补充资料:冲击波超压与动压