project alternation的用法和樣例：
例句
- Project change is the key factor of affecting the municipal engineering construction project cost.
工程變更是影響市政工程建設項目造價的關鍵因素。 - In order to overcome the influence of variation to the project goal, many people carried on to the variation control thoroughly, proposed many control measures.
為了克服工程變更對項目目標的影響，業內人士對工程變更控制進行了深入地研究，提出了許多控制措施。
