But they're facing fundamentally an almost existential crisis in the commercial part of their business.

但是，他们在商业部分的业务中，从根本上面临着几乎是生存的危机。

The great market for silver is the commercial and civilized part of the world.

白银的大市场是世界上商业和文明的部分。

I learned the most valuable (and commercial) part of my life's work while washing motel sheets and restaurant tablecloths at the New Franklin Laundry in Bangor.

我这辈子的本事，最有价值（也最值钱）的部分是我在班戈的新富兰克林洗衣店洗汽车旅馆的床单以及饭店桌布的时候学会的。

It tells you that they're shifting the focus towards lobbying the government at a time when really they're facing fundamentally an almost existential crisis in the commercial part of their business.

此举表明，他们正在将重点转向游说政府，而实际上他们的商业部门目前面临着几乎是生死攸关的危机。