And if you get into any kind of environment, it's not optimal.

如果处于任何非理想环境中，情况就不那么乐观。

On the other hand, working to express a permanent, nonphysical ideal in physical form is likely to feel very good, particularly when that ideal is inspiring and motivating to those who pursue it.

另一方面，努力以物质形式表达​​一个永久、非物质理想可能会感觉非常好，尤其是当这个理想鼓励那些追求它人时。

It take some time since, as we've learned over the past couple of weeks, gases have real-life constraints on how they move here in the non-ideal world.

这需要一些时间，因为正如我们在过去几周学到， 气体在非理想世界中运动受到实际限制。