编辑语 From the Editors
DRINK 1 CUP DAILY to Bring Your STRESS to ZERO
The cup to drink is Lemon Balm Tea.
https://www.youtube.com/watch?v=j6I6kbaJPeQ

第二大脑 Brain-2
- 开关深色背景 Switch Background Color:PC: ctrl + shift + L。Mac: cmd + shift + L。 Phone: Settings - Theme。
- 用于扩展内容的可点击按钮可能在:标题、标题前的三角形、视频图像中或下的三角形. Possible clickable buttons for expansion of the content: the title, the triangle before title, in or below video image.