1. So poor is the root cause of China's soaring housing prices, because they create the investment and speculative markets. 所以说穷人是导致中国房价飞涨的根源，因为是他们创造了这个投资与投机的市场。
2. Mainly due to iron ore trade in the spot market prices means that demand, rather than the result of speculative capital investors. 由于铁矿石贸易主要发生在现货市场，价格的上涨意味着需求旺盛，而非投资者的投机资金所致。
3. POPULAR game this summer among watches of the Chinese economy is to guess the size of speculative capital or "hot money" flowing into the country. 今年夏天，在中国经济观察家中间最流行的一个游戏就是猜测流入中国的投机资本或者说”热钱”的规模。
英英解释
adj.
1. not financially safe or secure
2. not based on fact or investigation
3. showing curiosity
