To tap into means to use some of a supply of money, energy, ideas, etc. Our new employee has a great energy.

Tap into的意思是利用充足的钱、精力、想法等等。我们的新职员精力充沛。

The Federal Reserve has raised rates in the hopes that consumers will spend less, which reduce the supply of money in circulation.

美联储提高了利率，希望消费者减少支出，这减少了流通中的货币供应。

But there is always a mysterious supply of money from these Unions; and, from what you said, it was evident the man was of a passionate, demonstrative nature, and gave strong expression to all he felt'.

但是这些工会总是有神秘的资金供应；而且，从你所说的来看，很明显，这个人是一个充满激情、爱表率的人，并且强烈表达了他的所有感受。”

So long as a tolerable level of employment could be attained on the average of one or two or three decades merely by assuring an adequate supply of money in terms of wage-units, even the nineteenth century could find a way.

只要仅通过确保以工资单位计的充足的货币供应，就可以在一、二或三年的平均水平上达到可容忍的就业水平，即使在 19 世纪也能找到方法。