On one occasion, she called me in the middle of the night.
有一次她深更半夜打电话给我。
啊!她也给我打电话了!
She called me to the blackboard to do a long division problem.
她叫我到黑板上做一道长除法题。
She is also a PhD candidate in Economics and is doing research on the behavior of options prices in a phenomenon called the "Options smile," as she's smiling at me right now.
她也在攻读经济学博士学位,目前正在研究"期权微笑",也就是,期权隐含波动率微笑现象中的价格变动趋势,她现在正对我微笑呢
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