除了用because，雅思口语中还有哪些阐述原因的表达呢？

雅思口语“黄金法则”

Rule NO.3:阐述原因

许多人在表明一种观点或态度之后，都有意识地去阐明支撑自己观点的原因，这从心理学上讲，是一种典型的理性思维模式。

在我们的日常口语交流中，because或者coz 绝对是超高高频的语言单位，说明我们都有意无意地想通过更多的理由或原因来巩固自己的观点。那么，在雅思口语这一偏学术的语言测试中，阐述原因就显得尤为重要了。

为了展现自己多层次的思维逻辑以及多样化的语言结构，建议广大口语考生在提升自己观点深邃度的同时，要习惯使用以下的表达方式来展现自己的观点。

加分表达  

The reason why…is (that)…
【注释】……原因是……
【例句】The reason why I adore her is that she is quite caring and understanding.

A reason for this is…
【注释】一个原因是……
【例句】To my mind, train travel is more enjoyable than taking any other means of transport. A reason for this is when the train moves, we can enjoy the beautiful sceneries outside the train window.

The reason behind this is…
【注释】它背后的原因是……
【例句】The reason behind this is that the job market is business oriented.

The root of the problem is…
【注释】问题的根源是……
【例句】As I see it, the air pollution is the most serious issue in the modern age. The root of the problem is the over-expansion of industry and business.

The chief/main/major reason is…
【注释】主要/首要原因是…….
【例句】There could be quite a few reasons regarding the heavy traffic in most of large cities. However, the main/major reason is the number of vehicles has been increasing ceaselessly.