🔑be·causeBrE/bɪˈkɒz/, /bɪˈkʌz/NAmE/bɪˈkɔːz/, /bɪˈkʌz/conjunctionforthereasonthat因为◆Ididitbecausehetoldmeto. 是他吩咐我才做的。◆JustbecauseIdon'tcomplain, peoplethinkI'msatisfied. 就因为我不发牢骚，大家便以为我满意了。Giving reasons, justifying a choice对选择作出解释
In various exams, you are asked to make a choice and give reasons for it. In conversation or in a meeting, you need to explain and justify your decisions.在各种考试中需要作出选择并给出理由，在谈话或会议上需要对决定加以解释，可用以下表达方式：
◆There are two main reasons why I think it's the best option: first, there's the cost and second, the quality.我认为这是最好的选择，主要原因有两个：第一是成本，第二是质量。
◆I think/believe it's the right thing to do because it gives everyone a fair chance.我认为这么做是正确的，因为这给予每个人公平的机会。
◆I would choose the newer one on the grounds that it will last longer.我会选择较新的那个，因为它更加耐用。
◆Of the three houses, the largest one seems to me to be the best, because they need the room.这三栋房子中，最大的那栋在我看来是最好的，因为他们需要这么大的空间。
◆My choice would be number 3, simply because it's the clearest design.我的选择是 3 号，原因就在于它的设计最清晰。
◆The number of people with diabetes is growing, partly because of an increase in levels of obesity.患糖尿病的人数不断上升，部分原因是肥胖人数增加。
◆The number of overweight children has increased dramatically in recent years, largely as a result of changes in diet and lifestyle.近年来肥胖儿童的数量急剧上升，很大程度上是由饮食和生活方式的改变引起的。
◆The increase in childhood obesity is largely due to / the result of changes in lifestyle and diet over the last twenty years.肥胖儿童人数的增多主要是过去二十年来饮食和生活方式的改变所致。
◆Many obese children are bullied at school on account of their weight.许多肥胖儿童因为其体重问题在学校受到欺负。
◆Part of the problem with treating childhood obesity stems from the fact that parents do not always recognize that their children are obese.治疗肥胖儿童的困难部分源自父母有时并不认为自己的孩子肥胖。
◆Childhood obesity may be caused by genetic factors, as well as environmental ones.儿童肥胖既可能由环境因素引起，也可能是遗传因素所致。