He saw her from the bottom of the stairs Before she saw him.
他在楼下看着她,在她看到他之前。
Otherwise we now go to room 198 which is fairly close downstairs.
现在我们就去198教室吧8,就在楼下很近的那间。
So do you mind trying upstairs first and then downstairs?
你不会介意我们先试试楼上再尝试楼下吧?
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