Second, setting the trigger option (once or always) is different for both versions.

其次，两个版本设置的触发器选项（一次或总是）不同。

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The default setting is 0, meaning the proactive trigger is disabled.

默认设置为0，表示禁用主动触发。

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Setting persist_to_db to "false" will trigger the use of an in-memory "persistence" broker.

把 persist_to_db 设为“false”将触发内存中“持久性”代理的使用。

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If you are a stock investor, consider strategies such as placing stop-loss orders to reduce losses in a volatile market, subscribing to services that email you company specific news as it happens, and setting up loss review trigger points to review your investment.

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