what is the most difficult part of studying science麻烦用英文回答这个问题，2句话左右，谢谢
问题描述：
what is the most difficult part of studying science
麻烦用英文回答这个问题，2句话左右，谢谢
答
patience
答
Personally,I think sticking to it when you're frustrated with no progress is the most difficult part.