One thing about trains: It doesn't matter where they're going. What matters is deciding to get on.

语音讲解
单词发音
trains n.火车；行列
deciding v. 决定
连词发音
what matters is
get on
轻读重读
重读：one/trains/going/matters/deciding/get on
弱读：where/they're/what/is/to

词汇讲解
1.one thing about XX
例句：One thing about antiques, is that they usually have a story.
古董的特征之一是它们通常都蕴含着一段故事。
Gossip girl: One thing about making a deal with the devil, he always comes to collect.
绯闻少女：和魔鬼做交易存在一个问题&他总是为了索取而来。
One thing about Cora, if she didn't like something he said, she let him know it.
柯拉有一点可以确定的是，如果她不喜欢他说的话，她就让他知道。
There is one thing about baldness, it's neat.
光头有个好处：干净。
请看电影《安妮霍尔》中one thing about的应用：

2. It doesn't matter+从句 , what matters is+从句
释义：XX不重要，重要的是 XX
例句：It doesn't matter where you came from. What matters is who you choose to be.
你来自哪里并不重要，重要的是你选择成为什么样的人。
《蓝精灵2》(The Smurfs 2)片尾蓝妹妹说的一句话。

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