回复：It'll be damn easy if you live in Boston area :

来源: lucy2008liu 于 2013-11-23 13:42:36 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (218 bytes)
RSI  just 6 weeks program   it is very hard to finish  project  to get in the competition
my son's wants to research  after school.  I think  he need to try more
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