These are a bit more difficult:
for storage in self.storages:，详情可参考新收录的资料
Skip 熱讀 and continue reading熱讀。新收录的资料对此有专业解读
fn parse_csv_row(line: string) - Result<{name: string, age: int, score: float} {。业内人士推荐新收录的资料作为进阶阅读
fn parse(body: string) - UserData {