have two strings to (one's) bow

To have multiple ways to accomplish something. At least you have two strings to your bow, since you can always contact your aunt if the recruiter from HR doesn't call you back.

Common Names:

Name	Pronounced	Usage
Ayumu	ah-yoo-moo	Japanese
Bettina (1)	be-TEE-nah	German
Sanjaya	-	Hinduism
Kalisha	kə-LEESH-ə, kə-LISH-ə	African American (Rare)
Rahul	-	Indian, Hindi, Marathi, Bengali, Assamese, Odia, Gujarati, Punjabi, Malayalam, Tamil, Kannada, Telug
Vasko	-	Macedonian, Bulgarian