For example, interviewers or speechmakers generally use MSA in asking prepared questions or making prepared remarks, then switch to a colloquial variety to add a spontaneous comment or respond to a question.
Mr. Hu almost never gives interviews or utters spontaneous comments in public, making it difficult to distinguish his own priorities, or even his personality, from the party he heads.
Pressed for spontaneous comment on the stump, he routinely demurs and defers to his aides, who compose a reply.
Completing the household in the Quinn's luxurious high-rise apartment was Molly's salty mother (Billie Bird), only known as "Mama", whose blunt and often spontaneous comments added to the comic relief.
What Mrs. Clinton actually said regarding Palestinian statehood last year - in a spontaneous comment she never retracted - was a more nuanced call for Palestinians to assume responsibility for their destiny.
Mr. Reagan has periodically made spontaneous comments to reporters that were later clarified by his aides.
He spoke for about 20 minutes in a monotone, making none of the spontaneous comments that frequently appear in his Sunday homilies.
She was enthralled with the performance, and found herself making spontaneous comments after she was through, the way the Mamutoi so often did.
Mr. Bauer sought to tailor his speech to this newly altered context and found more verve in his spontaneous comments than in the prepared remarks his aides had distributed a day earlier.
Furthermore, communication mediums that are more synchronous better allow for spontaneous comments, such as jokes, which are necessary for positive affect.