Try to translate the paragraph on page 54 into Chinese, and upload the answer in written form. During the period of Nazi rule, first in Germany and then in the lands it took in Europe, the treatment of the Jews became increasingly horrific. Jews of all ages, children included, were killed outright or rounded up and sent to concentration camps. As a result, seventy percent of the Jews living in German-controlled areas were murdered; in Germany itself, ninety percent. There were a few lucky ones who managed to escape through concealing their identity or fleeing abroad.