The dominant model of development has entirely failed to lift large sections of humanity out of unacceptable levels of poverty, misery and desperate want. (globaleducationmagazine.com)
Even if the club is run more as a business and less as a football club, the performance at the top level is at unacceptable levels. (justarsenal.com)
But by the 1990s, the water from many of these wells was found to contain unacceptable levels of arsenic. (sciencedaily.com)