As an activity, as a state of mind, science is fundamentally optimistic.

作为一种活动，作为一种心智状态，科学从根本上说是乐观的。

youdao

As an activity, as a state of mind, science is fundamentally optimistic.

作为一种活动，作为一种心智状态，科学从根本上说是乐观的。

youdao