A particularly useful feature of CafeTran is Auto-Completion. Start typing a word, and CT suggests its completion, highlighting it.
Auto-Completion is based on the words in your TM(s), the Google and Bing databases, and the words you typed before.
You can accept the suggestion by hitting Return. If you are not happy with it, just continue typing, or press Esc or any of the Arrow keys.
You can change the settings by going to Edit>Options >Workflow.
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You can even uncheck this timesaving functionality. Not recommended.