答：任何行业只要存在就都是靠谱的，不靠谱的永远都是人，所一定要自己注意甄别。在选择付钱之前，务必确定它是正规的，例如、是否注册公司、法人有无不良记录、是否可以开发票、是否告知公司地址等。 These level A looking at passages are great for guided looking through or 1-on-1 follow! These passages are the best way to develop students' assurance in reading through and start scaffolding looking... https://essaymin.com/cn/