due to、owing to、because of与thanks to均有“由于”之意。
due to : 用于较庄重的书面语中，侧重“起因于”，在句中多作表语，有时作状语。
- A lot of her unhappiness is due to boredom.
她的不开心主要是因为无聊。 - The bus was delayed due to heavy snow.
公共汽车因为大雪晚点。
owing to : 可以和due to换用，但在句中多作状语，也可作表语。
- The concert has been cancelled owing to lack of interest.
由于响应者寥寥，音乐会被取消了。
because of : 着重某种原因的理由，在句中通常作状语。
- The flight was delayed because of bad weather.
这个航班因恶劣天气延误了。
thanks to : 突出一种感激之情，含“多亏”意味。
- It's no thanks to you that I got there on time.
我准时赶到没你什么功劳。
