original: Economy The only economic activity of importance is agriculture.
simplifications: Agriculture is the only important economic activity. The only economic activity that's important is agriculture. Agriculture is the main economic activity. Agriculture is the only important economic activity. Economy: The only important economic activity is agriculture. The only important economic activity is agriculture. Farming is the only important economic activity. The only important economic activity is agriculture. Agriculture is the only economic activity of importance. Economy The only economic activity of importance is agriculture.