Don't think this job a piece of cake. You'll have to rack your brains once you start on it.
别以为这工作是易如反掌的事, 你做了就知道它是很伤脑筋的.
《现代汉英综合大词典》
Most bonds used to be issued by companies, and to judge something AAA was straightforward.
过去的债券多数都是由公司发行的, 是否能够评估为AAA简直是易如反掌.
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