brand-switching model的用法和樣例：
例句
- We are switching over to a new technique next year.
我們將在明年改用一項新技術(shù)。 - In their quest to make table tennis more spectator-friendly, officials have done everything from speeding up the scoring system to switching to bigger Ping-Pong balls.
為了使桌球更得觀(guān)眾青睞，官員在努力過(guò)程中，從加快記分系統到改用較大的乒乓球，幾乎用盡各種辦法。
