complex practice, which does not always lead to profits - are often loners run around and make the same mistakes without realizing what they have miscalculated.
umkhuba eziyinkimbinkimbi okungahambisani njalo kungaholela inzuzo - ngokuvamile lezi run olulodwa emhlabeni futhi wenze amaphutha esifanayo, engazi ukuthi yini miscalculated.