It allowed us to move from a minor key to a major key.

它允许我们从小调转到大调。

Understanding when it's appropriate to exchange one form for another can be a major key to success in international business.

了解何时适合切换（书面和口语）这两种形式可能是国际业务成功的关键。

This is a major key in Korean skin care.

这是韩国护肤的一大关键。

And I tried parts in a major key, parts in a minor key, playing with different arrangements of chunks from pi.

我用大调弹一点，用小调弹一点，把π的数字分成不同组来弹。

When the Vicar began again there was a change in his tone like the encouraging transition to a major key.

当牧师再次开始演奏时，他的语气发生了变化，就像是令人鼓舞地过渡到大调。