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1. What scientists know so far about the disease points to it being a combination of a persistent viral infection, a chronic autoimmune disorder and lingering damage to some tissues caused by the original covid-19 infection.
so far 到目前为止
How many driving lessons have you had so far?
你到目前为止上过多少节驾驶课了？
2. Dedicated long-covid clinics will speed things up.
speed up 加快
This system helps speed up access times.
这个系统有助于加快存取时间。
3. If governments miss the boat, millions of young and mid-career workers could permanently drop out of the labour force.
miss the boat 坐失良机
We shall have to make up our minds very soon, or we'll miss the boat.
我们必须立即拿定主意，否则就会坐失良机。
4. But that came out of the blue.
out of the blue 突然
One of them wrote to us out of the blue several years later.
数年后他们中的一人突然给我们写了一封信。
