We never add blood or gore and try and strike a balance to create something that is funny and somewhat inappropriate, but could still carry a PG rating.

我们从不在游戏里面加入血元素，但是我们试着平衡制造一些好玩与不当元素，但是始终保持在儿童不宜的水平。

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However, 83 percent of the PG-13 film's audience was more than 25, and the older a movie's crowd gets, the less likely they are to immediately rush out and see it.

然而，83%的PG - 13级电影的观众都超过25岁，一个电影的观影群年龄越大，可能他们中马上涌去观看的就越少。

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“Salt” is rated PG-13 (Parents strongly cautioned). Fisticuffs and gunplay, accompanied by swearing.

定级为PG-13（家长辅导级）。打斗和枪战，伴有粗口。

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But, like a lot of these films, this one has a parental guidance rating of "PG-13."

VOA: special.2011.06.20

Unlike most of the other outdoor cinemas mentioned here, this one is family-friendly with G- and PG-13-rated movies.

BBC: The best outdoor cinemas in Los Angeles

That compares with 24% for "Avengers" and is an impressive figure for a movie rated PG-13.

WSJ: Marvel's 'Iron Man 3' Takes in $175.3 Million at Box Office

When it comes to sex and nudity, Facebook is strictly PG-13, according to the guidelines.

FORBES: How Facebook Outsources Its Nudity Patrol