We have been having online classes for several days.

我们已经上了好几天网课了。

youdao

During the course of the year, we have built in several screen-free days that require us to make different plans for our students about how they will communicate with one another and the world around them without "screens".

在这一年中，我们已经安排了几个无屏幕日，这需要我们为学生制定不同的计划，涉及他们在没有“屏幕”的情况下如何与彼此和周围的世界交流。

youdao

Black clouds have stagnated over the city for several days.

乌云密布于该城已经好几天了。

youdao

President Karzai and his team have been here for several days.

WHITEHOUSE: President Obama and President Karzai Hold a Press Conference | The White House

The Deputy Secretary of DHS and other top officials from my department have for the last several days been on a multi-country, multi-continent mission meeting with top transportation and airport officials, discussing ways to increase cooperation and security.

WHITEHOUSE: Press Briefing on Security Review

Credit-market indicators that reflect jitters about short-term lending to banks have been creeping higher for several days.

WSJ: Dow Takes a Harrowing 1,010.14-Point Trip