Is right to make a reference to a tween or Just Use Tween.Begin(); Method?

[FrankYan]

Is right to make a reference to a tween or Just Use Tween.Begin(); Method?
What's the the differences?
If I want make a sequence of tweens How should I Do?

[ArenMook]

Tween.Begin lets you specify everything in code easily and will create a tween if it doesn't exist. If you prefer to pre-set all the tween's values in inspector then simply activate it, then you can stick to references.

You can do sequences both from code and inspector. Code may be easier as you can make it all be in one place.