編者按：作者特別注重因果關係在作文中的套用，它是作文拓展重要方法。打不開思路時這個方法和有效，英語寫作是運用到的方法技巧是很重要的。
因果法(development by cause and effect)
任何事都有產生的起因,也必然會有結果. 挖掘因果關係是拓展寫作的輕鬆之路。
As is known, addiction to smart phone is a dangerous habit because problems such near-sight grow from the adition.Besides, it can bring abouttraffic problems.It is commonly identified as one of the recent causes of death.
因果法常用辭彙有：
1)動詞：
起因於 result from; arise from; stem from; grow from。
造成 lead to; to contribute to; to result in, bring about;account for;give rise to;be to blame for, answer for; cause。
2)介詞和介詞短語：
because of;owing to;thanks to;due to; on account of;as a result of。
3)表示原因的連詞：
because, as, since. for, in that, now that, seeing that, considering that。
4)表示結果的連詞：so that, so…that, such…that,
5)副詞：therefore, as a result, consequently, according ly, thus 等。
作者|王貴友