She can't go with him, though she'd give anything in the world to do it.

Do you understand?
The reason she can't is because Henrietta Lamb hasn't invited her.

Do you want to know why Henrietta hasn't invited her?
It's because she knows Alice can't get even, and because she thinks Alice ought to be snubbed like this on account of only being the daughter of one of her grandfather's clerks.

I HOPE you understand!" "Oh, my, my!" he said.

"OH, my, my!" "That's your sweet old employer," his wife cried, tauntingly.