Happily
来自Big Physics
wiktionary
From Middle English happily, happyly, happyliche, happylyche, equivalent to happy + -ly.
etymonline
happily (adv.)
mid-14c., "by chance or accident;" late 14c., "by good fortune, luckily," from happy + -ly (2). Sense of "in pleasant circumstances, with mental pleasure and contentment" is from 1510s. Happily ever after recorded by 1825.
