cocoabread
应该都可以。in the circumstances例句In the circumstances it was tactless to ask her age. 在这种特殊情况下问她的年龄是不得体的。under circumstances例句An unscheduled airplane landing that is made under circumstances (engine failure or adverse weather) not under the pilot's control. 特殊情况（发动机失灵或恶劣气候）下没有计划到的飞机着陆。
annking168
特殊情况 special circumstances ; exceptional case ; special situation；special conditions
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