2019.12.1 today to learn two
To achieve their stated objectives, we must be able to endure loneliness alone.
To share a 2019ps tutorial , extraction code: ywnl
Or two-dimensional code scanning
Quick Mind Map: using " the Enter " key to quickly add siblings, " the Tab " key to add a child node, " the Shift + the Tab " add parent node, if the node is not satisfied, the use of " the Delete " key to delete a node
No matter what time you start, it is important not to stop after the start.
Bought a book does not mean reading, listening course does not mean to learn.
(Update ...)