The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Deep IT Pro:
This is a huge collection of examples English Chinese sentences. No internet connection is required for full text searching. Use it as a pocket reference to search an example of using any word. Find an answer to the question "How to say it in Chinese or English?" in seconds. But this is more then a reference. Improve your Chinese or English performing translation from your native language into a language you learn. Select a subset of the phrases and work with them. There are 3 kind of the trainings in the app:- Listen & Repeat,- Translate & Type,- Phrase builder32 000 English Chinese sentences available without internet. Many phrases with audio are available when you have an internet connection.