He 's been a trenchant market commentator for decades now .

他可是有几十年经验、眼光犀利的市场评论家。

Over the decades , the firm has made everything from flatscreen televisions to light bulbs to life-saving health equipment .

这二十年来，该公司的产品无所不包，涵盖了平板电视、电灯泡和救死扶伤的医疗保健设备。

Natural-gas production will boom for at least the next three decades .

天然气产量的迅猛提升将至少持续30年。

For the past two decades , it has eschewed the mega conference , participating in macworld instead .

过去二十年中，苹果从未参加过大型展会，而是会出席MacWorld大会。

But for the first time in decades , it has a shot at relevancy .

但是数十年来，别克首次拥有了可以叫板的王牌。