Final answer:
The phrase "por cierto" means "for sure" in English.
Step-by-step explanation:
The phrase "por cierto" means "for sure" in English. It is a common expression used to express certainty or agreement in a conversation. For example, if someone says, "Ella es inteligente, por cierto" (She is intelligent, for sure), it means the person strongly agrees with the statement and believes it to be true.
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