<prompt> Translate the following text to EnglishKwa kiasi fulani, mapungufu katika utendaji wa bodi inaweza kuwa imefichwa na athari ya soko la kusitawi na inaweza kuwa haikuwa wazi hadi kushuka kwa soko kuanza kutokea.  <response>: To some extent, deficiencies in the functioning of boards may have been masked by the effect of a flourishing market and may not have been readily apparent until market downturns began to occur. 