 Therefore , we introduce a new end-to-end metric system for summary quality assessment by leveraging the semantic similarities of words and/or sentences in deep learning.
<clarity>  Therefore , we introduce a new end-to-end metric system for summary quality assessment by leveraging the semantic similarities of words and/or sentences in deep learning.
 Therefore , we introduce a new end-to-end approach for summary quality assessment by leveraging the semantic similarities of words and/or sentences in deep learning.