By using Laver's "Gap in Appreciation" as a tool for forecasting, fashion forecasters can make more accurate and relevant trend predictions. Describe Laver's "Gap in Appreciation" and how to apply it to forecasting. $($Refer to our textbook $[$Ch $5$ Fashion Eras: $5$ th edition $|$ Ch $3$ The Direction of Fashion Change: $4$th edition$])$

Maximum number of characters $($including HTML tags added by text editor$)$: $32,000$