This is the 645th most frequent Chinese word.
开发
"开发" means "to develop" or "to exploit."
Here, '开发' (kai fa) is used in its negative form '未开发', meaning 'undeveloped,' describing land that remains in its natural state.
这片未开发的土地充满了自然的美景。
This piece of undeveloped land is full of natural beauty.
In this context, '开发' (kai fa) means 'to develop,' specifically referring to opening up or expanding a market, demonstrating its usage in an economic field.
我们需要更多的资金来开发这一市场。
We need more funds to develop this market.
In this sentence, '开发' (kai fa) means 'to develop,' referring to the creation of a new product or system, illustrating its use in a technological and professional context.