系列好課分享：Improve Your English Communication Skills Specialization
Coursera 系列好課分享：
Improve Your English Communication Skills Specialization（One to Four)
Coursera 2:
?Speak English Professionally: In Person, Online & On the Phone
By Georgia Institute of Technology
WEEK 1?
WEEK 2
WEEK 3?
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WEEK 4
WEEK 5
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