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【重点词汇讲解】
【permanent】
例句：
1. Experts say autism is permanent and cannot be cured.
专家称自闭症是永久的而且无法治愈。
2. In search of a permanent way round the problem, the Fed has asked Congress to let it pay interest on bank reserves.
为了寻求解决这一问题的长效方法，联储要求国会同意让它对银行储备金支付利息。
【observant】
例句：
1. Making small talk is about being observant about people you don't know well.
你和不熟悉的人聊天，一定要善于观察。
2. Observant students of ideas will recognize Hindu beliefs in this movement as well.
善于观察思想的人也会在这个运动中认出印度教信仰的影响。
【dispel】
英英：force to go away; used both with concrete and metaphoric meanings
例句：
1. A series of speeches by Fed officials this week did little to dispel the presumption of lower rates.
本周，一系列联储会的官员的讲话也没有打消降息的假设。
2. She wanted to look light, dispel any impression she might have given that she was a humourless prude.
她想使自己看起来轻松一些，摆脱掉那不苟言笑，一本正经的印象。
3. Firstly, we should dispel the idea that learning Chinese is only useful for doing business with China.
首先，应该纠正某些片面的观念，以为学华文不过是为了和中国做生意。