人民币兑美元中间价报6.9141，下调85点

This structure is used mainly in finance and exchange rates. It shows the value of currency A in relation to currency B. In news Chinese, it often appears before numbers about exchange rates.

报 is commonly used in financial and news language to mean 'to be quoted at', 'to close at', or 'to be reported at' a certain number. It is very common in market reports.

下调 means 'to adjust downward' or 'to lower'. It is often followed by a number showing how much something decreased. This pattern is common in economics, prices, rates, and policies.

由 introduces the person or organization responsible for an action, and 于 introduces the time. In formal written Chinese, this pattern is often used to describe who established a company and when it was established.

聚焦 means 'to focus on'. It is a formal written expression often used in business, media, and academic contexts to show the main area, problem, or market a company pays attention to.