没有人怀疑这种情况的出现主要是由于医学和其他自然科学的极大进步，这种进步在一个世纪前就可以观察到，现在甚至更大了。
Nobody doubts that this situation could come into being mostly due to the extremely great progress of medicine and the other natural sciences that could be observed one century ago and which is even greater now.
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come英 /kʌm/|美 /kʌm/
into英 /ˈɪntuː/|美 /ˈɪntu/
being英 /ˈbiːɪŋ/|美 /ˈbiɪŋ/
解释
come 的基本意思是"来、到达"，在这里表示"出现、发生"的意思。
into 是介词，表示"进入某种状态或情况"。
being 是名词，指"存在、生存状态"。
come into being 是一个固定短语，意思是"形成、出现、产生"，用来描述某事物开始存在的过程。
Nobody doubts that this situation could come into being mostly due to the extremely great progress of medicine and the other natural sciences that could be observed one century ago and which is even greater now.
come 的基本意思是"来、到达"，在这里表示"出现、发生"的意思。 into 是介词，表示"进入某种状态或情况"。 being 是名词，指"存在、生存状态"。 come into being 是一个固定短语，意思是"形成、出现、产生"，用来描述某事物开始存在的过程。
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