其他竞争性材料如石料、砖、金属和塑料管都是从易被竭尽的矿产资源中提取的。
Its competitors such AS stone, brick, metal and plAStic are all derived from exhaustible mineral sources.
同样，我们来到这里，也是为了安慰幸存者，承诺将竭尽全力帮助他们重建被毁的生活生计。
Equally we are here to console the survivors and to commit ourselves to do everything we can to help them to rebuild shattered lives.
他们竭尽全力修理那辆被损坏了的汽车。
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