How Their Instant Wealth Adds Up to Millions Each Second - Veja Store Site

language note: Their is the third person plural possessive determiner. You use their to indicate that something belongs or relates to the group of people, animals, or things that you are talking about. …

used to indicate something belongs or relates to someone being discussed, without indicating gender, as in "My cousin hasn't made up their mind yet"

Their is the possessive form of the personal pronoun they, essentially meaning belonging to or possessed by them, as in Is that their car, or ours? There is commonly used to introduce sentences …