yuán yú měi guó



nínshìfǒuzàixúnqiú： 源于 源于美国 gèngduōjiéguǒ...

mùlù ·yīngwénjièshì ·bāo hán cí ·gèngduōjiéguǒ... yīngwénjièshì n.:  Gray-collar (Skilled technicians; employees whose job descriptions combine some white- and some blue-collar duties.) bāo hán cí yuán yú měi guó yuè yě chē xíng yuán yú měi guó nán bù zhū zhōu de jué shì lè