Polyester wadding was used from the 1970s until the present time.

聚酯填料从20世纪70年代一直使用到现在。

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But, until we live in a different world—one quite difficult to imagine at the present time—this seems all we can hold onto.

直到今天这个世界，这个我们的祖先完全难以想象的世界，人文科学是唯一能给我们提供信仰的所在。

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You might be waiting until the right time to talk about it, but there's no time like the present.

你也许会等待一个好的时机再去谈论它，但是机不可失时不再来。

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Apple wants to own a generation of post-PC world users and block out their competitors until such time as they can present a higher-quality user experience than Apple.

FORBES: Apple Doesn't Have an iPad Strategy, It has a Post-PC Strategy

Still, the full results of the drug's safety and efficacy will not be available until May, at which time, independent researchers will present the trial's full results at the annual meeting of the American Society of Clinical Oncology.

FORBES: Assessing Avastin's Risk

Computer models have been predicting that the Arctic will not be ice-free, even for a short time in late summer, until 2040, and at present only icebreakers and the occasional lone yachtsman are getting through.

ECONOMIST: A meltdown tinged with acid