这个学生现在已经是博士了。 他说：老实告诉你，过去三年我没有跟任何朋友见过面，因为我在写博士论文。
To tell you the truth, I haven't seen any of my friends for the past three years because I was working on my PH.D. dissertation.
这个学生现在已经是博士了。他说：老实告诉你，过去三年我没有跟任何朋友见过面，因为我在写博士论文。
To tell you the truth, I haven't seen any of my friends for the past three years because I was working on my PH.D. dissertation.
我已经告诉过你了，你的报告都能很快地送到我的手里，因为它们一到贝克街马上就被送到库姆。
I have already told you that your reports reached me rapidly, being forwarded instantly from Baker Street to Coombe Tracey.
我已经告诉过你了，你的报告都能很快地送到我的手里，因为它们一到贝克街马上就被送到库姆。
I have already told you that your reports reached me rapidly, being forwarded instantly from Baker Street to Coombe Tracey.
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