We believe Ford is showing signs of progress in reducing its cash use, but it remains exposed to ongoing adverse economic conditions . We still believe the U. S.
我们认为尽管福特汽车表现出了减少资金使用的信号,但是仍旧面临着不断恶化的经济形势的威胁。
And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.
科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战
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