他曾获多伦多怀雅逊大学邀请在现代音乐方面发表演说。
He has been invited to speak on contemporary music at Ryerson University.
德怀尔说，“要是在一年多前，发生像这样的事终究不会是很清楚的。”
"Just a year or so ago, it wasn't at all obvious that something like this should happen," Dwyer said.
这样就能解释为何双胞胎怀的比生的多，而且为什么生的会这么少(虽然现在更多的运用试管受精已经很平常)。
That would explain why many more twins are conceived than born, and why those born are so rare (though more common these days, with the rise of IVF).
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