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"Bright prospects" or "promising future" are common phrases that can be used to describe a situation that has a lot of potential or is likely to be successful in the future. For example:
"This field has a bright prospect for growth and development."
"There is a promising future ahead for those who pursue a career in technology."
You could also use more general phrases like "great potential" or "lots of opportunity" to convey the same idea. For example:
"This industry has great potential for those who are willing to work hard and take risks."
"There are lots of opportunities for those who are interested in pursuing a career in this field."