To take a single example, on one day during the building of the Yangtze River Bridge at Nanking, 50,000 soldiers and civilian volunteers pitched in to assist the 6,000 regular bridgeworkers.

• 举个简单的例子，在建造南京长江大桥期间的一天，50000名战士和民间义务工参加了支援6000名正式架桥工人的工作。