it doesn't take a rocket scientist (to do something)informal used humorously to emphasize that something is easy to do or understand (做某事)并不难〔幽默用法〕 It doesn’t take a rocket scientist to work out that doubling productivity will improve profits. 生产效率提高两倍可以增加利润,这并不难理解。
it doesn’t take a rocket scientist (to do something)• It doesn't exactly take a rocket scientist to realize that the chain of events was no coincidence.
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