The infrared image reveals that this dark cloud, called M17 SWex, is forming stars at a furious rate but has not yet spawned the most massive type of stars, known as O stars.

红外成像揭示了这片叫做M17SWex的深色的云正在疯狂地制造新星，但是质量最密的O型星还没有孵出来。

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This sounds like the kindly-addressed 3-3-3 system of New York banking, that is, offering 3% interest rate for the bank deposit, another 3% when lending, and off-duty at 3 o 'clock (to play golf).

这很像曾经被亲切地称为3-3-3制的纽约银行业，即存款给3%的利率，放贷时再加3%，然后下午3点下班(去打高尔夫球)。

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