??? 情景例句
Australia is a unique country.
澳大利亞是世上獨一無二的國家。
I bought one gallon of milk.
我買了一加侖牛奶。
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不計其數的教人自己動手做事的書報雜志，沒有人再能說對某事一無所知。