要收费，而且不能查到国内的数据
低于预期
It’s a dangerous app
I had used caj viewer for years. But in recent days it’s company suddenly requested me to shift to this app and I was forced to use an account which can never sign out and never be used expect you pay for an expensive VIP fee. My own account is gone with nearly 2000 papers I had downloaded. Don’t use this! Or one day you will lose everything.
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