Experienced reviewers and audio aficionados will recognize that K340 is slightly more classy, with its stylish, black appearance and inline volume control.

老饕或音响爱好者可能会认为K340更拉风一点，因为他有银黑色的外形与可调节音量的线控。

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This illusion first discovered in 1870 is characterized by the "ghostlike" intermittent appearance of lightly colored gray dots that seem to connect the white surfaces and the black background.

这个错觉是在1870年首次发现的，其特点是：“诡异的”浅灰色圆点间歇性的出现，似乎连接着白色的表面和黑色的背景。

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At that moment a pair of black trousers descending from the imperial, made its appearance at the window of the coupe.

正在这时，一条黑裤子从车顶上下来，出现在前车厢的玻璃窗上。

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The Monte Carlo gamblers invented all sorts of reasons to explain the long run of black, failing to appreciate that each appearance of black was a random occurrence.

FORBES: The Hot Hand Fallacy

For a certain target audience, of course, the chief selling point of "The Woman in Black" is the appearance of Radcliffe in his first adult, big-screen outing of the post-"Harry Potter" era.

CNN: Review: 'The Woman in Black'

So they will give as they have given in every election since '68, they will give the appearance of reaching out to black voters.

NPR: Presidential Candidates Target Black Music Festival