1-- I see there are some workmen on the site When is the building work due to start?
 
2-- Well, it'll take three weeks to demolish the old building and clear away the debris. We should be ready to start the construction work in week 23.
 
1-- How long will the sub contractors be on site?
 
2-- About ten weeks in total if everything goes according to plan.
 
1-- I'm sure it will. So, we should be able to start moving the machinery in during week 34. I'll confirm that date with our suppliers.
 
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注解：
 
1.workmen工人
2.demolish拆除
3.machinery机械
 
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译文：
 
1--我看到在现场有些工人。本建筑工程什么时候开工？
2--哦,需要先用三个星期时间拆除旧建筑并清除废墟。我们应该在第二十三周开始施工。
1--承包商多长时间才会到场？
2--如果根据计划一切顺利，大约共需要十个周的时间。
1--我确信一定会的。因此，我们应该在第34周中能够搬运机械设备。我与我们的供货商核实一下日期。