C1 Advanced Key Word Transformations Practice Test 2026 – Complete Exam Prep

The phrase "by far" is used to express that something is noticeably or distinctly greater than anything else in comparison. In this context, when referring to CIAM’s friendliness, it indicates that CIAM is significantly friendlier than other alternatives. The use of "by far" emphasizes the extent of CIAM’s friendliness, suggesting that it stands out in a remarkable way when comparing it to others, rather than being just slightly friendlier or on par with other options. This strong comparative language reinforces the idea of a superior degree of friendliness.