必经之路

fàn cuò shì chéng gōng de bì jīng zhī lù

犯错是成功的必经之路。

Mistakes are a necessary part of success.

zài yīng guó de gōng zuò shì tuì xiū de bì jīng zhī lù

在英国的工作是退休的必经之路。

The job in the UK was a way station to retirement.