下单之后可以直接通过系统concept和写手沟通。因为写手是indigenous speaker，所以沟通时不接受中文，需要用英文沟通。如果在和写手沟通过程中有任何问题，可以直接联系客服。 Selection and overall performance index method of general performance appraisal is the main foundation, the choice of overall performance indicators can undertake strategies like weighted system and sorting approach to Each... https://livebackpage.com/story12595141/getting-my-%E4%BB%A3%E5%86%99literature-review-to-work