在安装raidtools前，我们需要搜索它的最新版本。
Before we can install raidtools we need to do a bit of searching to find the latest version.
然后，我们需要打开搜索引擎，致力于具体议题。
It is then we need to turn to search engines dedicated to specific topics.
基于这个测试我们得出：如果需要定期搜索数据库，创建全文索引通常是较好的做法。
Based on this test, we concluded that if databases are searched regularly, it is generally better to create a full-text index.
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