Given that adults have already become set in who they are, changing their values or ways of thinking is no easy task. "I just do my best, and if I can save a few people I've done my part," Chang asserts.
然而，由於成年人早已定型，想要改變他們的想法、價值觀很不容易，「我只是盡力去做，能救幾個算幾個」，張和全說。