the only way to go
The most ideal, logical, or desirable choice. I'm telling you, flying first-class is the only way to go—totally worth the extra money, if you ask me. A: "What cake should I make?" B: "Chocolate is the only way to go as far as I'm concerned."
only way to go
the best way to do something; the best choice to make. Get a four-wheel drive car. It's the only way to go. That's it! A new house. It's the only way to go.
only way to go
n. the best way to do something; the best choice to make. Get a four-wheel drive car. It’s the only way to go.