There's a sufficiency of drama in these lives to sustain your interest.这些人的生活充满了戏剧性，总能让你兴趣盎然。Their defense markets are too small to sustain economically viable production runs.他们的国防市场太小，就经济可行性而言不足以维持生产。The people wh...
The soil proved too infertile to sustain real pasture or arable crops.这土壤被证明太贫瘠,不能真正用作放牧或种植作物。The cash dividends they get from the cash crop would sustain them during the lean season...从经济作物中获得的收益能帮助他们度过不景气的时期。...a singe...
Most of the discussion was on what needed to be done now as we transitioned from the security issues to the challenging economic issues.随着我们由安全议题转向具有挑战性的经济议题，讨论最多的就是目前需要做些什么。Most of the discussion was on what needed to b...
His independence had been forged on the anvil of a harsh environment.他的独立性是在艰苦的环境中锤炼出来的。I have no doubt that we are polluting the environment beyond redemption.我丝毫都不怀疑我们对环境的污染是不可挽回的。There is little assessment of the dama...