For instance, typewriters used to jam if people typed too fast, so the manufacturers designed a keyboard that would slow typists.

例如，早先的打字机如果输入速度太快就会卡壳，于是厂家便开发出键盘，但打字员的速度确因此而变慢。

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It's followed by "Up in Flames, " a minimalist slow jam.

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The effect, of course, is to slow things down and hold you up, as in a literary traffic jam and there are numerous descriptions of traffic jams and routes through London.

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That said, there are plenty of grandly rocking moments, well suited for this summer's many outdoor festivals: The slow-building jam of "World Sick" begins with a moody electronic soundscape and a clean groove, but climaxes with blissful orchestrated cacophony.

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