first-class market的用法和樣例：
例句
- These days the resale of contemporary art helps to inject cash into the primary market.
這些天當代藝術品轉售所得的收益為一級市場帶來了大量資金。 - If the after-listing market for shares dries up and there is no one to flip to, the primary market may evaporate as well.
如果跟著上市的股票市場乾涸了，也沒有人再投進來，這樣一級市場也會幹涸。
