10 dollars,10 yuan中的dollar和yuan用不用大写?说这件衣服100美元,应该怎样表达?用不用介词for,The dress is only for 100 dollars,或是用at?

10 dollars,10 yuan中的dollar和yuan用不用大写?说这件衣服100美元,应该怎样表达?用不用介词for,The dress is only for 100 dollars,或是用at? 英语翻译cost 10 dollars 4340yuan中的4340怎么读?10% off怎么读? total profit 可数么?the total profit surged substantially last year.realized a total profit of 20 billion yuan laster.realized an accumulative total profits of 10 million US dollars.yielded 364.7 billion yuan in total profits.这几种说法对么 10 yuan 提问 changes of 10 dollars 翻译 pay sth for 10yuan purchase sth for 10 yuan Dad spent 10 yuan on the book.Dad___the book____10 yuan. one thousand-million dollars是10亿么 The book cost me 10 dollars的同义句I______ the book_______ 10 dollars The book __me 10 dollars (花费）（同义句） I___10 dollars __the book. this shirt is for 10 yuan Daniel spends 10 yuan( )this book. Many hats are ()()()10 yuan each 钱数在英语中怎么说?One thousand and one dollars / yuan 这句应是指1001元我想问的是其中的and是怎么使用的,在什么情况下加and,什么时候不用加,先谢过了! dollars this book cost me five ——— 选项A、yuan B、dollars C、yuan D、dollarC应该是yuans The puppy cost him 10 yuan（10 yuan划线提问）