從理論上講，成功的談判應該導致雙贏，但實際上，它實際上取決於對方的特徵

從理論上講，成功的談判應該導致雙贏，但實際上，它實際上取決於對方的特徵，目標和替代品。

結果 (英文) 1:

In theory, the success of the negotiations should lead to a win-win, but in fact, it really depends on each other's characteristics, objectives and alternatives.

結果 (英文) 2:

In theory, successful negotiations should lead to a win-win situation, but in practice it actually depends on the other party's characteristics, objectives and alternatives.

結果 (英文) 3:

In theory, a successful negotiation should lead to a win-win situation, but in fact, it depends on each other's characteristics, goals and alternatives.