“桩”怎么读？

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他对自己在这桩买卖中所得的报酬不愿多提。He is cagey about what he was paid for the business.这桩交易有些冒险，不过巴格利也没什么可损失的。The deal was a long shot, but Bagley had little to lose.再难我也要努力使这桩婚姻幸福美满。I'll make this marriage work if it kills me....