One caveat: Knowing the four Cs of diamonds won't help you here.

但要提醒您的是，买彩色宝石时即使了解宝石的四个C也没什么用。

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The next day， my four children and I landed on the big island of Hawaii with less than $2，000， knowing no one in the world was going to help us.

次日，四个孩子与我登上夏威夷的大岛，带的钱不足两千美元，明白这世界上无人能够帮助我们。

youdao

The effect has been to underutilise one of the big organisational advantages that the Big Four have: a large pool of partners who can help coach less experienced staff.

四大的优势之一：拥有大量的合伙人，这些人可以培训缺乏经验的员工。 而这方面的优势被低估了。

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One in three women received drugs to help them through the labour while one in four underwent surgery to prevent vaginal tearing.

BBC: Daytime births 'more difficult'

How might even one of these four lessons help you brush up your problem-solving skills?

FORBES: 4 Ways to Brush Up Your Problem-Solving Skills

One proposal to the UK government to help simplify arrangements, is that there should be just four major channel 3 licensees - one for each nation.

BBC: South of Scotland could see STV switch