如果雙方文化背景不同，價值觀不同，加上飲食習慣、傳統習俗等差異，婚姻就

如果雙方文化背景不同，價值觀不同，加上飲食習慣、傳統習俗等差異，婚姻就不容易。

結果 (英文) 1:

If the two sides have different cultural backgrounds, different values, and differences in eating habits and traditional customs, marriage is not easy.

結果 (英文) 2:

Marriage is not easy if the cultural background sits differently, the values are different, and the eating habits, traditional customs and so on are different.

結果 (英文) 3:

If the two sides have different cultural backgrounds, different values, coupled with different eating habits, traditional customs and other differences, marriage will not be easy.