1. 按 钟点：by the gross 整批 | by the hour 按 钟点 | by weight 按 重量

2. 按时计算：by separate mail 另邮 | by the hour 按时计算 | by the job 按工计算

3. 还有小时性的：and...|然后... | by the hour.|还有小时性的. | By the hour?|小时性的?

4. 小时性的：by the hour.|还有小时性的. | By the hour?|小时性的? | Just for tonight, please.|只是今晚,拜托.