把这一句，留给此刻的你
Many persons have been confused and discouraged at the very outset of the study by the great variety and the delicate distinctions of the openings: and this has constituted a fault in many otherwise excellent manuals for the learner.
许多人在刚开始学习的时候就被各种各样的和微妙的差别搞糊涂了，灰心丧气。这在许多优秀的学习者手册中都是一个错误。