「我缺錢。」 百分之99.9的人會這樣說：I lack of money. 錯！錯！錯！ 我教了差不多十年的英文， 前五年，我連一次都沒有聽過有人用對lack 這個字； ... ... <看更多>

The use of the indefinite article indicates singularity. "A lack of"indicates " a particular lack of"(Thefreedictionary.com).If you use "lack of ... ... <看更多>

no self-esteem 缺乏自尊心value oneself 重視自己輕鬆背5000單字會員課程打字背單字課程http://www.wordsgo-members.com/輕鬆背5000單字基礎單字試用 ... ... <看更多>

People whose brains do not produce enough dopamine often ____ motivation. A. lack of B. are lacking in C. lacking in D. are lack. ... <看更多>