It means that the circle of friends is busy.

1, time flies, stealing half a day. Hehe, I always like this feeling!

In the street, cars and buses run through the heart and lungs of the town, one after another to the next stop. In the field in the suburbs, the farmer's uncle bent down and planted vegetable seedlings, which tickled people with his breath and exuded the eternal artistic conception of the field.

3, the work is still very busy, and it can be done in an orderly way.

4. Being busy is a kind of happiness, which makes us have no time to experience the pain; Running around is a kind of happiness, which makes us truly feel life; Fatigue is a kind of enjoyment, which leaves us no time to be empty.

Engineers should not be careless when dealing with their own work. A decimal point error may lead to future disasters, so we must focus on each project.