Definition: If it is a good job that something happened, it is lucky that it happened. Level: C2
幸好你今天早上带了伞。
___It ___is ___a ___good ___job that you had your umbrella with you this morning.
幸好她在我们出发前查了火车时刻表。
___It ___is ___a ___good ___job she checked the train times before we left.
幸好停电时备用系统运转正常。
___It ___was ___a ___good ___job the backup system worked during the power outage.
