procedure formality有何区别?

The chairman was quite familiar with the procedure for conducting a meeting.
主席对开会的程序（顺序）很熟悉.
It's a formality that we have to go through.
这是我们必须办理的手续.
明白了吗?前者主要有步骤的意思,强调的是步骤,而后者是真正意义上的手续