Translation of non-binding in German

So she and I went to the food store to buy some lunch. However, the store had almost no food and one could pay in local currency or in US dollars. One could really see the country's poor economy.
But we need to asked ourselves why we actually are built in such a way that we so easily dislike others and build stereotypes. What leads to such behavior even in well educated individuals?
We went to eat dinner at an Indian restaurant an my wife and I were afraid that it would turn our stomace upside down, just a day before we had to take the long train journey back to the capital.