Commercial act
[經(jīng)] 買賣, 貿(mào)易, 商業(yè)行為(交易)
?? 詞語組成解析
commercial
[k?'m???l]
adj. 商業(yè)的;貿(mào)易的;營利的;靠廣告收入的;
n. （電臺或電視播放的）廣告;
com共同+merc交易+ial...的→共同交易的→商業(yè)的
act
[?kt]
v. 行動(dòng);表現(xiàn);表演;起作用;
n. 行為;行動(dòng);法案，法令;短節(jié)目;
??? 情景例句
using as many letters as possible.
盡可能多用字母，
Few words, many deeds.
少說話，多做事。
Mum, I don't feel very well.
媽媽，我感到不舒服。