[Voca] Related to Toeic [4]

lucrative	producing a great deal of profit
inherently	in a way that exists as a natural or basic part of something
innate	An innate quality or ability is one that you were born with, not one you have learned
lease	to make a legal agreement by which money is paid in order to use land, a building, a vehicle, or a piece of equipment for an agreed period of time
consent	approval, permission
reliability	the quality or state of being reliable
cautious	careful to avoid potential problems or dangers
speculation	investment in stocks, property, or other ventures in the hope of gain but with the risk of loss.
solely	only and not involving anyone or anything else
bond	an official paper given by the government or a company to show that you have lent them money that they will pay back to you at a particular interest rate
depreciation	a reduction in the value of an asset with the passage of time, due in particular to wear and tear
prevalent	widespread
unprecedented	never having happened or existed in the past
yield	produce or provide (a natural, agricultural, or industrial product)