解释：人参是补气效果最好的药材，三七则是补血效果最佳的药材，体现了中药的特效。

There's no such thing as a neutral image in our visual culture.

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

Collaboration across industries is essential for creating sustainable solutions.