Imaginary? The nerve! Although, I suppose I see the sense. This place does often seem but a dream. These devices, for instance. The peculiarity is still something to be reckoned with.
An account... like a ledger? Why would you ever be indebted to so many people? Bad business, that.
The tailor, down Brompton Road? Of course I have been to Harrod's. I suppose I didn't expect the store to still be around. Everything is so changed, these days.