重点讲解：
1. decide to do sth. 决定，拿定主意（做）；
例句：Little boys, being what they are, might decide to play on it.
出于天性，小男孩们可能会决定利用这一点=Av&wwPY(+Vtw~g!rAA。
2. ever since 自从；打…以后一直；
例句：French bread has had positive associations for me ever since I went on holiday to france.
自从我去法国度过假后，法式面包就使我有了一种愉快的联想vcrs8JP#a[。
3. adapt to 适应；
例句：We must adapt to a changing world, not defend outdated models.
我们必须适应不断变化的世界，而不是捍卫过时的模式jNm,p^My=z|m。
4. look for 找；寻；
例句：They look for foods that are low in calories.
他们要找低卡路里的食物%6+=jqDp_sefwD。