Or it could be a combination of reasons, including bad luck.

或者有更复杂的原因，包括坏运气。

youdao

I think many managers hate the idea of pair programming for a combination of reasons.

我认为许多经理讨厌结对编程这个想法是由于以下原因。

youdao

You might be logging on for a combination of reasons, or for a reason you don't yet know.

你可能因为多个原因而登录，或者由于一个你并不知道的原因。

youdao

One of the main reasons why sports and analytics is a perfect combination is the data sources that include data points from topics as diverse as game scores and attendance and revenue figures.

FORBES: Sports And Analytics: A Perfect Couple

Branson is resisting a combination with Virgin.com for two reasons: He doesn't want to share ownership of Virgin.com and he doesn't want to go public just yet.

FORBES: Red Baron

For example, he successfully compromised the security of a bank using a combination of information he found on the Internet and information he obtained by calling employees and convincing them he had legitimate reasons for needing things like passwords and employee ID numbers.

CNN: Known vulnerabilities are No. 1 hack exploit