“一方面，另一方面”的英语表达是：“on one hand，on the other hand”
句子：
1、另一方面，一方面，广告大大地促进了销售；
On one hand, advertising greatly promotes sales;
2、这是一方面，另一方面是建立精确、公平、合理的企业员工激励机制。
This is the one hand, on the other hand is to establish accurate, fair and reasonable employeesincentive mechanism.
3、如果他提出的这三个硬币飞无形，从一方面，另一方面，融入空气稀薄和重新实现一个一个的话，它的外观如何？
If he made those three coins fly invisibly from one hand to the other, melting into thin air and re-materializing one-by-one, what would it look like?