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1·Generally, the cause that deaf children cannot speak correctly and articulately is that they are not good at breath-control while speaking.

聋儿说不好话的原因，其共性和主要原因是发音说话不会控制气息所致。

2·And, in fact, he did make some more strides, he was a brilliant thinker, maybe he put it more articulately than those two younger scientists could have.

事实上，他的确走的更远一些，他是个天才，也许他的表达方式，比那两个年轻的科学家更加清晰。