| 释义 |
except that ： except when — 306
except that 这个复合连词表达发生的事实，而 except when 这个复合连词则是表达发生的时间。
比较：
He has always enjoyed good health except that he has had a slight headache in past few days. 除了前几天略微有些头痛之外，他一向健康。
He has always enjoyed good health except when he has had a slight headache. 除了有时略微有些头痛之外，他一向健康。
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