求翻译：对于一个房地产价格波动比较大、产品供应结构不明朗的不成熟市场，开发商通常会先投入少量资金试探市场情况，这种为了进一步获得市场信息的投资行为而获得的选择机会被称为扩张期权是什么意思？

For a large real estate price fluctuations, uncertain product supply structure immature market, developers will usually put a small amount of money to test the market situation, this information in order to further gain market access to investment behavior and the expansion of choice is called optio

For a real estate prices more volatile, product supply structural uncertainty is not mature market, developers are often first test market in relatively modest investment funds, such as a further access to market information and access to opportunities of choice investment behavior is known as expan

Quite is big, the product supply structure not bright not mature market regarding a real estate price undulation, the developer usually can invest the few funds to probe the market conditions first, this kind in order to further obtain the choice opportunity which the market information the investme

For a relatively large fluctuations in real estate prices, uncertain product supply structure of immature market, developers will often invest a small amount of money testing market conditions, this in order to obtain market information obtained on the investment behavior of options known as expansi

To that the price of a real estate fluctuates bigger, the products supply the unripe market not clear of the structure, the developer will usually invest a small amount of fund to sound out the market situation first, this kind of choice chance obtained in order to further win the investment behavio