méi / yǒu / yī / zhǒng / fāng / fǎ / shì / jiě / jué / suǒ / yǒu / wèn / tí / de / wàn / yìng / líng / dān

没有一种方法是解决所有问题的万应灵丹。

There is no single method that is a cure-all for every problem.