I start this kind of conversation with the phrase....

@John Ma I think you'll get more of a response if you re-phrase your question and be more specific.

I will attempt to communicate in English and I may also learn a few key phrases in the preferred language of our tenant too.When we need the services of qualified language specialists, who pays for them?

Actually, the phrase I use is...."

“HUD will use the full force of the law to protect the fair housing rights of folks who’ve been arrested or who’re returning to their communities after serving time in jail or prison,” HUD Secretary Julian Castro warned.By “full force,” he means the “disparate impact” theory of civil-rights enforcement, which HUD claims is written into the Fair Housing Act even though the phrase appears nowhere in the statute.Disparate impact holds businesses liable for colorblind policies and practices that may have adverse outcomes for minorities — in this case, screening all apartment applicants for criminal histories.

When in Doubt - Don't, is a good phrase to keep in mind.4) Always refer to the lease.  

I think it was the book "The Millionaire Next Door" that coined the phrase stealth wealth.

Also some context may help: I have 1 and 2 bedroom apartments in a very high demand and trendy neighborhood.

:As for your comment regarding feeling guilty about raising rents there is no place for emotions when it comes to money. ...says the guy who blows a vessel every time the phrase "cash for keys" is uttered.

(a legal phrase that comes to mind is, the time in which a person "knew or should have known" she was living there)