Industry experts agree that it 's best to keep the twin goals of insurance and investment separate and get a simple life cover policy that can be reviewed annually.

许多保险从业人员认为，购买保险时最好将获得保险保障和投资收益区别开来，只购买每年都可以续保的、只提供单纯保险保障的人寿保险。

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Here is a video of the V-twin engine running with a simple flywheel.

这是一个视频的V型双引擎运行一个简单的飞轮。

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This paper sets up equivalent propositions of Goldbach's Conjecture and Twin Prime Conjecture and Fermat's Conjecture for prime numbers by using the simple result among the number theory.

文章运用数论中的一些简单结果，如辛达拉姆筛法与威尔逊定理，建立了哥德巴赫猜想、孪生素数猜想以及费马素数猜想的等价命题。

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