Bob's your uncle什麼意思

"Bob's your uncle" is a British English expression that is used to mean "and there it is" or "and that's the end of it." It is often used to indicate that something is easy to achieve or that the solution to a problem is simple. The expression is sometimes used to imply that someone has received help or favors from someone else, often a family member, to get into a position of power or to achieve something.