Credit cards are mainly used in the US

Credit cards are mainly used in the US 求高手credit cards are mainly used in the United States today.a credit cardd are mainly used in the United States为什么不能翻译成：在美 求翻译：Credia card are mainly used in US today. 英语翻译Personal credit cards are becoming more common in China. Many in the credit industry expect that credit cards will ev 英语翻译Credit cards give their owners automatic credit in store the proliferation of credit cards的翻译 put the credit cards away 翻译 Students in the class are mainly girls?这句话中mainly是什么用法? 英语翻译Following in the footsteps of credit and debit cards,pay 英语翻译Planetary gears are used mainly in final drives,rear-mou