Tried on WeChat Admin to recover my shared link above, failed; but the feedback makes the issue clear; WeChat Admin says "网页包含低俗、暴力内容", which means, "Web pages contain vulgar, violent content";
I'm pretty sure my link is fine, so I tried again the domain name, www.evernote.com
Turns out, it also get blocked, and I was informed that, someone else shared some restricted information with this following shared link,
<link removed by admin>
Now it is clear, this link (owned by some unknown Evernote User), does contain vulgar content.
Then, WeChat Admin blocked all hyperlinks starting with www.evernote.com
Finally, only Evernote can solve this out. Evernote need to work with its user who own this note, and also work out with Wechat Admin.