When the Allied powers invaded Germany, they fought in the streets with German soldiers  while the starving citizens stood in bread lines, hoping for something to eat.

当盟军入侵德国时，他们与德国士兵在街上作战，而饥饿的市民排着长队等待食物吃。

The Great Depression was a catastrophic global event that saw millions of people slide into poverty. Across America, men and women would stand in bread lines and live in shantytowns.

大萧条是一场灾难性的全球性事件， 数百万人陷入贫困。在美国各地， 男人和女人会排着领取面包的队伍， 住在贫民窟里。

Lines of people waiting for this  food became known as the bread line, and from this evolved the saying " living on the bread line, "   describing people who lived on a low income.

等待这种食物的人群被称为面包线，并由此演变为“靠面包线生活”的说法，描述低收入的人。