作业提交成功之后，导师接单会直接邮件联系并提供报价，自由选择喜欢的导师，并且确认作业最终价格。 With the CHECKPOINT submission you are only needed to contain the unweighted part of pathfinder working. This implies we will examination your method with all 4 arguments, except the 2nd argument will almost always be a u. Accounting，economics，finance，business enterprise law，advertising... http://ppt53951.total-blog.com/not-known-details-about-ppt-36076921