“而且”有转折并强调后者的意思。 “并且”只是一种并列。

Yes, pretty much the same, just got a little bit different. It depends on your sentence. 而且: (1) not only... but(also); and that (2) and 並且: (1) and; also; and... as well; in addition (2) besides; moreover; furthermore e.g. 他不只是會講中文"而且"還把英文講得很好 他不只是会讲中文"而且"还把英文讲得很好 (not sure whether you could recognize traditional chinese characters, so i post simplified one.) 離開教室的時候,別忘了把垃圾帶走,"並且"把所有電源關掉 离开教室的时候,别忘了把垃圾带走,"并且"把所有电源关掉 and if you wanna switch 並且 to 而且 in this sentence, you got to add "要" behind 而且 like this: 離開教室的時候,別忘了把垃圾帶走,"而且要"把所有電源關掉 Habt ihr eine Frage? Is that clear? haha, hope you could understand :-D o, toll! Sprechen Sie Chinesisch?

而且是递进关系，lay considerable emphasis on the latter clause. 并且是并列关系，coordinate clause ， it means the comparison of interaction between two similar things，but in daily life，they are often used interchangeably.

對的

而且 is very commonly used in spoken language 並且 is vey few used in spoken language the meaning is a little different 而且 is a complement to the sentence before, something like, "not only, but also"