I sometime go off a tangent when I teach something in class.授業中、たまに脱線するときがあります。 Of course I know that we need a goal or an aim in class and we should achieve it, and those tangents could become distractions from achievin…

Are you tired? みなさん、疲れていませんか？ I've been thinking about a sense of tiredness recently.最近、疲労感についてよく考えています。 Since I started working, I have often been aware that I feel tired.When I feel so, I always notice th…