What does this sentence mean?
”While consuming more than five portions of fruit and vegetables a day may be desirable, adding pressure to consume more fruit and vegetables creates an unrealistic expectation.”

What does “unrealistic expectation” here mean?

Question

What does this sentence mean?
”While consuming more than five portions of fruit and vegetables a day may be desirable, adding pressure to consume more fruit and vegetables creates an unrealistic expectation.”

What does “unrealistic expectation” here mean?

Answer

It 's an idea you have about the future, which is unlikely to come true. Getting obsessed about an unrealistic expectation, such as eating too much fruit and vegetables, might make you frustrated when you are not able to fulfill that expectation. 
I hope I 've explained myself well enough :)

Answer

higher expectation also "impossibile"

Answer

或者用中文来讲就是人体每天对水果蔬菜的吸收是有限的，如果超过限度就是不现实的期望。“unrealistic expectation”

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