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"Good night" is a form of "good night", a phrase which is often translated as "buenas noches". "My love" is a phrase which is often translated as "mi amor". Learn more about the difference between "my love" and "good night" below.
my love()
A phrase is a group of words commonly used together (e.g., once upon a time).
good night()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)