Just prior to launching a new product, the company sent the blogger a free sample, inviting him to review it with no strings attached.

于是公司就在发布一个新产品之前，发送给该博客作者一个免费的样品，不附带特别条件地邀请他评测该产品。

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Listing 4 shows the beginning of the sample wrapper script, which defines a usage message that displays if you execute the script with no arguments or the wrong number of arguments.

清单4给出了此示例包装器脚本的开始部分，其中定义了一个使用消息，如果在没有参数或参数数量错误的情况下执行该脚本，就会显示这个消息。

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The reason for this is that the other tables in the DB2 UDB SAMPLE database have no primary key, and hence no index information to associate a unique ECO key with.

原因是 DB2 UDB SAMPLE 数据库中的其他表没有主键，因此没有索引信息可以关联惟一的 ECO 键。

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But the number of companies in the sample with no women on their boards increased by 22% to 33 in 2009, from 26 the year before.

FORBES: Gender Gap In America's Top Ranks

After comparing the performance of a maquiladora-using firm with that of a control sample, the authors found no evidence of net gain in the use of a maquiladora.

ECONOMIST: A look at noteworthy articles from business journals

Flagstar argued that Walzak was a management consultant with no underwriting experience and only three of the 126 defaulted mortgages in the sample actually had material breaches.

FORBES: Assured Guaranty Victory Over Mortgages May Mean Trouble For BofA