他们的收费是固定的，一般来说，一场标准的四小时演讲收费约为825美元。

They receive a fixed rate, which is typically about $825 for a standard four-hour vocal session.

youdao

相反，他们会得到固定的费用，通常一节标准四小时声乐课的费用是825美元。

Instead, they receive a fixed rate, which is typically about $825 for a standard four-hour vocal session.

youdao

新墨西哥州比格林尼治标准时晚7个小时。

New Mexico is seven hours behind GMT.

《柯林斯英汉双解大词典》