Chalkface
课堂教学, 教学实践（与教学理论或备课和批改作业等相对）
🗣️ 情景例句
and now for something new.
现在轮到新的东西了。
But the market prices are changing frequently.
但是市场价格随时都在变化。
Are you ready to place your order now?
你们准备好下订单了吗？