without the approval of Elsevier, use the Services to publish or distribute any advertising, promotional material, or solicitation to other users of the Services to use any goods or services. For example (but without limitation), you may not use the Services to conduct any business, to solicit the performance of any activity that is prohibited by law, or to solicit other users to become subscribers of other information services. Similarly, you may not use the Services to download and redistribute public information or shareware for personal gain or distribute multiple copies of public do

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．