The phrase "has been learned for" is correct and usable in written English.
You can use it to indicate that something has been learned for a certain length of time. For example: "The language has been learned for five years."
I hope the lesson has been learned for the European summit meeting at the end of this week".
In this talk, I will review the mechanical discipline that has been learned for handling free-standing semiconductor films, and speculate on future applications of this materials technology.
learning-to-learn, life-long learning, multitask learning, representation learning,...) is the process of transfering what has been learned for one problem to other problems so that they can be learned better (more accurately, or with less data).
Research (e.g., Binder, 1996; Wolf, 2001) suggests that fluency is instrumental for critical learning, as it serves as a catalyst for retention and maintenance of skills and knowledge long after formal learning has ended, endurance to undistractedly maintain what has been learned for extended periods of time, and application of knowledge and skills in novel contexts.
Because MRCGP is usually taken after MRCP UK), the correlation may reflect material that has been learned for MRCP UK) subsequently being useful for the MRCGP examination.
But as the Federal Reserve has been learning for months now, the biggest obstacle to economic activity right now is not a shortage of money.
Mark Zuckerberg impressed audiences in Tsinghua University, Beijing, on Wednesday by talking and answering questions in Mandarin, which the entrepreneur has been learning for the past four years.
But on a visit to Doha, in Qatar, he told guests that the language, which he has been learning for six months, "goes in one ear and out the other".
In fact, by the time a child enters a preschool classroom, she or he already has been learning for two or three years.
