The Vietnamese phrase "nếu vậy" translates to "if so" or "if that is the case" in English. It is commonly used to refer to a condition or situation that has been mentioned previously, often to indicate a consequence or a follow-up action based on that condition.
In summary, "nếu vậy" is a versatile phrase used to indicate a condition or to respond to a statement. It is important for expressing possibilities and planning actions based on certain scenarios.