daybyday和dayandday的区别

区别就是两者意思是不一样，具体的不同如下

daybyday中文意思是一天天；逐日

The cashflow from tenants is more stable than that from equities, where values zigzag day by day and pidends can suddenly be suspended by the management.

dayandday中文意思是一天又一天，日复一日。