力气;力量
1.I'm glad you're satisfied with our work. I can assure you we've spared no effort and spent quite a sum of money in pushing the sales of your products.
你们对我们的工作表示满意.我很高兴.可以说在推销你们的产品方面.我们费了不少力气.还花了大量资金.
2.I`ve lost a little weight recently, and I don`t seem to have too much energy. My head and stomach were killing me yesterday. I might have had a fever. I thought I might have ate something bad because I had the runs.
我近来体重减轻了.而且好像没什么力气.昨天我头疼胃也疼.简直把我折磨死了.我好像发烧了.而且我觉得我可能吃坏了东西.现在拉肚子.


