PG&E had previously signed a power purchase agreement with BrightSource in April 2008 for 500 megawatts with an option to buy another 400 megawatts.

PG&E与BrightSource曾在2008年4月签订了500兆瓦的电力购买协议，并拥有400兆瓦的优先购买权。

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This is because they reside within the C runtime library (libc.so), which was not (in this case) compiled with -pg and, hence, no profiling is gathered for any functions within this library.

这是因为这些函数都是在 C 运行时库（libc.so）中的，（在本例中）它们都没有使用 -pg 进行编译，因此就没有对这个库中的函数收集剖析信息。

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BrightSource may also build solar power plants in Nevada and Arizona, where licensing is easier, to supply electricity to PG&E and Southern California Edison.

BrightSource也可在内华达州和亚利桑那州修建太阳能电站，为PG&E与南加州爱迪生公司供电，因为在那里获得发电许可相对容易一些。

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For every 500 smoking scenes a child saw in PG-13 movies, his or her likelihood of trying cigarettes increased by 49%.

CNN: Should smoking trigger an R rating?

Smoking in PG-13 films -- including background shots and other passing instances -- was just as strongly linked with real-world experimentation as the smoking in R-rated films.

CNN: Should smoking trigger an R rating?

It's an open secret that some naturally PG movies have an element or two thrown in to earn a PG-13, so teenagers aren't scared off.

WSJ: Roger Ebert on Movie Ratings