"underscores the rationale" is a correct and usable phrase in written English.
It can be used when discussing the purpose or intention behind an idea or argument, and is usually used in the middle or at the end of a sentence. For example: "The new policy underscores the rationale that children should have access to a quality education."
Our conclusions underscore the rationale for removal, replacement or treatment of water buffaloes, and for the development and deployment of a transmission blocking buffalo vaccine against S. japonicum for this setting to achieve the goal of transmission control.
Our conclusions underscore the rationale for removal, replacement or treatment of water buffaloes, and for the development and deployment of a transmission blocking buffalo vaccine against S. japonicum [35], [41] for this setting to achieve the goal of transmission control.
To address these issues, physicians suggested providing more background information, acknowledging that the statement represents a change from current practice, and to underscore the rationale for such changes.
The publication of a series of recommendations by the Canadian Task Force on Periodic Health Examination that was led by Sackett [ 34, 35] in 1979, underscored the rationale for using insights from clinical epidemiology to inform clinical practice.
Let us underscore that the rationale for the conference was to encourage Catholics to engage energetically in the development of more effective nonviolent practices for protecting vulnerable communities, avoiding violent conflict, transforming structures of violence, and promoting cultures of peace.
His inexperience underscored the entire rationale of his candidacy its novelty, the break it represented with the past.
His inexperience underscored the entire rationale of his candidacy — its novelty, the break it represented with the past.
"Libya is barely a footnote to what's going on in Afghanistan," this anonymous reader wrote, perhaps overstating the case but underscoring the point that, if the rationale for war in Afghanistan was as portentous and existential as it was initially presented by Western leaders, then events in North Africa are not on the same scale of clear and present danger.
But deteriorating commercial airline service has underscored one of the rationales long cited for flying privately: the efficient use of business time.
