形容自然景观的壮丽与难以用笔墨完全描绘。
农时：指春耕、夏耘、秋收三个时令。与其等灾荒来了再想办法补救，不如早防备灾荒，而防备灾荒最好就是抓住农时。
You have to be willing to adapt, or you'll be left behind.
The way positive reinforcement is carried out is more important than the amount.
The key to our success is the bond we share as a group.