In the first two experiments, either the butter or the letter "B" plays a role.

在前两个实验中，黄油或字母“B”起了作用。

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This time, instead of butter, the toast had a letter "B" written on one side.

这一次，在吐司的一边没有涂黄油，而是写了一个字母 “B”。

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Bentley car company name sign is the first letter "b" as the main, give birth to a pair of wings, like volley soaring eagle, the logo still in use.

本特利轿车标志是以公司名的第一个字母“B”为主体，生出一对翅膀，似凌空翱翔的雄鹰，此标志一直沿用至今。

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B'Tselem said the letter did not detail the findings of the investigation or provide reasons behind the decision to close it.

BBC: Israeli military closes Gaza shelling investigation

And she is reading the - an alphabet that was especially arranged so that the first letter she says - it doesn't go A, B, C, D, E.

NPR: A Beautiful Movie: 'The Diving Bell and the Butterfly'

In May, a senior official with the Los Angeles Unified School District asked California's insurance commissioner to support revision of a law that essentially allows "any willing provider" to sell 403(b) investments there, according to The Wall Street Journal's review of the official's letter.

WSJ: Teachers' 403(b) Plans See Big Changes