Language points:

survive (1) vi. 幸存，生还 , 继续存在 The custom has survived for thousands of years. (2) vt. 从…中逃生, 经历…后继续存在 Only ten people survived the fire. 经过这次地震, 只有三分之二的人活了下来. Only two-thirds of the people survived the earthquake. n. 幸存者 survivor