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1·One of the big difficulties was labor shortage in the construction field like concrete form work craftsmen.

其中最大的一个困难是工地上缺少劳工比如浇筑混凝土之类的熟手。

2·The life of a literary text lies in its aesthetic value, and the linguistic form plays a key role in the construction of the aesthetics of literary work.

文学语篇的生命在于其美学价值，而语言形式在文学语篇的美学构建中具有不可或缺的意义。

3·The three main objectives of construction projects are the management of time, cost and quality; they form the basic content work in various stages of construction projects.

工期、成本、质量是工程建设项目的三大控制目标，它们是工程建设项目在各个阶段的主要工作内容。