Collins Chinese Dictionary Plus (3rd edition), 2011:
事出有因 shì chū yǒu yīn
- 国(國)家队(隊)换(換)教练(練)事出有因。 Guójiāduì huàn jiàoliàn shì chū yǒu yīn. There was a good reason for the national team to change their coach.