今天我们要学的词是undercover。 Undercover, 是指秘密的，暗中进行的。An undercover operation, 就是一次秘密行动。最近，美国农业部宣布回收1亿4千3百万磅牛肉。An undercover video showed that cows too sick...
今天我们要学的词是undercover。 Undercover, 是指秘密的，暗中进行的。An undercover operation, 就是一次秘密行动。最近，美国农业部宣布回收1亿4千3百万磅牛肉。An undercover video showed that cows too sick...
Undercover Marketing Uncovered If you find that troubling, the companies trying to sell you stuff aren’t too thrilled either. They’ re finding it harder and harder in this 1)assault of advertising...
