That is because…和 That is why…的區別

That is because…”與“That is why…”之間的不同： “That is because…”指原因或理由。 “That is why…”則指由於各種原因所造成的後果。 例如：

He did not see the film last night. That is because he had to help his little sister with her homework.昨天晚上他沒有去看電影， 那是因爲他得幫助他的妹妹做作業。(第一句話說明結果， 第二句話說明原因)

He had seen the film before. That is why he did not see it last night.他以前曾看過那部電影， 因此他昨天晚上沒有去看。(第一句話說明原因， 第二句話說明結果)