Posing
v. 摆姿势（pose的ing形式）
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
That would be the responsibility of the buyer. We are prepared, however, to provide all the documentation costs.
那是属于买方的责任，我们仅承担提供所有文件的费用。
we can start any time you're ready.
只要你准备好了，我们随时可以开始。