Trading attracts liquidity and skills in a virtuous circle.

交易吸引了流动性与专门人才，形成了良性循环。

Responsibility, dialogue, action and reporting are the key elements in a virtuous circle through which everyone benefits.

责任、对话、行动和汇报是良性循环中的关键组成部分。这个良性循环使大家都受益。

If they believe they are younger, they, therefore, behave in younger ways, creating a virtuous circle.

如果他们认为自己更年轻，他们就会以更年轻的方式行事，形成良性循环。

The virtuous circle now looks like a vicious one.

这个善循环现在看起来像一个恶性循环。

The way you're describing this — it sounds like it's working, and it becomes a kind of virtuous circle.

你描述这一点的方式——听起来好像它正在发挥作用，而且它变成了一种良性循环。

It was going to be the virtuous circle of the " silve economy" in action-retirement as an asset class.

这将是“银发经济”的良性循环的实践 - 退休作为一种资产类别。