Please do not compare like that.However, the shoes often have 2 side always. And ready to get together by interlocking who strode beside any need of the owner's mind and a steady pace, so each in parallel.
Please do not compare like that However, shoes are always two sides are ready to move forward together by interlocking who are stepping forward to do before you, and united. So that each step firmly together.
Please don't compare so.However, the shoes are 2 side always.And ready to walk together by boat, who steps towards any before, must understand and ready together so that each step, firm together. .