This leads us to the first key of being a successful public speaker: talk about something you know about.

这就为我们引出了成为一个成功的公众演说家的第一个秘诀：谈论你知道的事情。

youdao

The value for the first key is 4 bytes long and it is entirely NULLs.

第一个键的值为 4 字节且其完全为 NULL。

youdao

The first key feature is the ability to sort and filter on multiple stores.

第一项关键特性是对多种存储排序和过滤的功能。

youdao

Clinton will first visit Mumbai, India's business capital, for various events before going to New Delhi Sunday to meet key officials including Prime Minister Manmohan Singh and Congress Party leader Sonia Gandhi.

VOA: standard.2009.07.15

But the first key issue is that it's good in and of itself-- almost needs no justification.

但首先的关键问题是快乐本身是好的-,几乎无需辩解。

哈佛公开课 - 幸福课课程节选

Because when we've thought about the first case, the intuition seemed to be, ah,personality's the key to personal identity.

因为当我们思考案例一，得到的直觉似乎是，人格是个人认同感的关键。

耶鲁公开课 - 死亡课程节选

There is first key support now at 1.83%, which is the mid-January low with more important 1.67%.

FORBES: Dumping the Junk?

The yield is currently above its 20-day EMA, with first key support (line f) now at 1.71%.

FORBES: Keep Your Eye on Treasury Rates

First key fact: on December 19th, Monica Lewinsky was served with a subpoena in the Paula Jones case.

CNN: Transcript: White House Deputy Counsel Mills' statement