For intensive use take 2 tablets twice daily.
对于需要大量使用2粒,每日两次。
For intensive use: Take 4 capsules three times daily.
对于密集使用:取4粒,每日三次。
An example use case for a singleton would be a database connection pool: you don't want your application to have multiple resource-intensive instances of a connection pool class.
比如数据库连接池就是单例设计模式的一个例子:我们一般不想让应用程序具有连接池类的多个资源密集型实例。
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