在室内充分活动，在不流汗的情况下让血液流动起来。
Move around inside enough to get the blood flowing without breaking a sweat.
网上贸易的征税，和所有其他税收活动，在经过充分讨论之后，只能够答应。
Taxing online businesses, and all other taxation activities, should only be consented to after full discussion.
一个系统在可能性的空间要有充分的活动余地，可以游荡到出乎我们意料之外的地方，这很重要。
It is important that a system have sufficient elbowroom in the space of possibilities to wander in places we don't expect.
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