用when还是whereInas
确实有occation when 和 where两种用法
用法例句：
1。Please describe an occasion where you met with real difficulties。
2。In hard times, the Spring Festival was the only occasion where a family threw off the old attire and put on new clothes specially made for the festival。
3。Describe an occasion when you had ...全部
确实有occation when 和 where两种用法
用法例句：
1。Please describe an occasion where you met with real difficulties。
2。In hard times, the Spring Festival was the only occasion where a family threw off the old attire and put on new clothes specially made for the festival。
3。Describe an occasion when you had to give a presentation to an audience。
4。A training session should be an occasion where the whole team works together
occation
n。
1。 时刻, 时候2。 机会, 时机3。 特殊场合; 庆典4。 原因, 理由5。 重大(或特殊)活动，盛会；仪式，庆祝6。 起因， 近因， 诱因7。 需要；必要(性)8。 【广播、电视】广告插播时间
vt。
1。 惹起, 引起
场合具体指时间还是地点看语境吧，是个有争议性的题目。我想很难区分吧，靠个人体会了。收起
