1. Because of.
2. Due to has been widely used for many years as a compound preposition like owing to, but some critics have insisted that the adjectival status of due must be retained. According to this view, it is incorrect to say The concert was canceled due to the rain, as opposed to the acceptable The cancellation of the concert was due to the rain, where due continues to function as an adjective modifying cancellation.
Due to 已多年被广泛地当作象 owing to 那样的复合介词使用， 但批评者坚持认为应保持due 的形容词地位。 按照这一观点，说因为下雨，音乐会被取消了 是不正确的， 而应说音乐会的取消是因为下雨 ， 在后句中due 起形容词作用，修饰 cancellation