I told her to clean the flat thoroughly when she leaves.

In the flat, there are two spots/areas that have leaked.

The following is what you said during the last class. Do you think administrative staff of the school should provide teachers with ‘customer service’?
“Customer service sometimes is making customers happy even if they don’t deserve it. Depending on what the Bursar has in mind, sometimes even if a customer is wrong, in order to smooth things over, you sort of comply with the customer.”

I will tell you another interesting story today!**