commodities紧俏商品: commodities [goods] in short supply; goods in great demand; hard-to-get
倒卖紧俏商品: speculative reselling of goods in short supply
银根: [经] money market; money 短语和例子紧缩银根政策 tight-money policy; 银根松(驰) easy money; slackness of money market; 银根紧缩 credit squeeze; 现在该银行的银根很紧。 money is tight just now in the bank
银根紧: monetary stringencypressure in money marketstringent cashtight money