常見例句“The disadvantages are hard to see,” saysManuel Frondel at RWI, a research group. “缺點(diǎn)很難被發(fā)現(xiàn)，”一個叫RWI的研究機(jī)搆的ManuelFrondel這麼認(rèn)爲(wèi)。 返回 Frondell