Reason 2: Changeable covers.

理由2：外壳可以更换。

youdao

Reason 2: It features a classic Disney figure - the cute Mickey Mouse.

理由2：这款手机上绘有迪斯尼的经典角色——可爱的米老鼠。

youdao

Reason 2: Your Priorities Are All Wrong Simply being busy isn't going to cut it.

原因之二：没有安排好优先权简单的忙碌并不能把事情搞定。

youdao

There's not two bonds, that's one pi bond, and the reason is because it's 2 p orbitals coming together, and remember p orbitals have electron density above and below the axis, so when they come together, it kind of looks like one bonds, but essentially what we have here is one pi bond.

这不是两个键，这是一个π键，因为这是两个2p轨道组合而成的，记住p轨道在键轴之上,和键轴之下都有电子密度，当它们靠近时，这看着很像两个键，但本质上它是一个π键。

麻省理工公开课 - 化学原理课程节选

This entire negativity message goes to reason 2, if you choose to take it.

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The stated reason for QE-2 was to lower long term interest rates but it failed miserably.

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