词组点拨：
1.「不过是、仅仅是」- Nothing More Than
The stock exchange is nothing more than a giant globally networked and organized marketplace...
证券交易不过就是个巨大的全球连网且有组织的市场...

2.「首要的是、首先」- First And Foremost
Well, first and foremost, the value of a share relates to the company behind it.
这个嘛，最重要地，股票的价值与其背后的公司息息相关。

3.「最好/最糟的情况」- Best-Case Scenario, Worst-Case Scenario
In the best-case scenario, this will result in their idea being turned into reality. In the worst-case scenario, this will result in a speculative bubble with nothing more than hot air.
在最好的情况下，这会使得他们的想法变成现实。而在最糟的情况下，这会导致只是空谈的投机泡沫。