...，放在名词前， 如slower speed（慢一些的速度） more slowly是副词，用来形容动词，放在动词后， 如act more slowly(行动得更慢) slower是slow的比较级，表示更慢。 slowly是副词，表示“慢地”，用来修饰动词；而slow是形容词，表示“慢的”，用来修饰名词。
Some 14.1 million people prefer this privately delivered Medicare insurance, and it's risky to disrupt their coverage immediately when the cuts in the Affordable Care Act gut the program moreslowly.