“彼此有共同的利益，才能并肩战斗！”这句话英语怎么翻译？

You will fight/work together only if you have the common interest.

Only for the sake of common benefit,men fight side by side.
只因为了共同的利益,人们才会并肩作战

For common interests,we fight side by side.

only common interests for each other can lead to struggle shoulder to shoulder