Scientific language often employs common words in ways that clash with the general usage, such as "temperate"; this term is generally used to refer to mild, pleasant weather, but climatologists use it in regions where summers are hot, winters are harsh, and extreme climatic variation.
often employs common words in ways that clash with their general usage; for instance, the term "temperate," which in general usage refers to mild, pleasant weather, is used by climatologists to describe regions with hot summers, harsh winters
this is the right answer , but how this is the right and " temperate," directly followed by a comma ?