In the U.S., however, it is taken as a sign of skillfulness or being competent to solve a problem, or fulfill a job successfully, with speed.是什么意思_In the U.S., however, it is taken as a sign of skillfulness or being competent to solve a problem, or fulfill a job successfully, with speed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句