✔ 最佳答案
Hi, the meaning of them are the same, but you have to pay attention when u are using them as below:
because : normally after because, you have to add the noun, verb and subject in the sentence. e.g. He cannot go to work because he gets sick.
because of : after because of, you have to add the subject in the sentence. e.g. He cannot go to work because of his sick.
hope it can help you.