The word rouladeoriginates from the French word "rouler" meaning "to roll"。 Black Forest cake originated in Germany.
记住：Bear in mind
身心投入：pouring your heart and soul into
I thought this call was massively interesting, as there are several steps to the process of picking keywords and several things to bear in mind before pouring your heart and soul into article writing.
目录：table of contents
Consider this like a table of contents for how to build a niche website from scratch: