Sentence: one's is like a guiding torch . Enhancing their knowledge and stay well-informed . a great deal of Broaden one's perspective: Foreign movie can broaden your perspective. To sharpen one's skill: Writing is an efficient way to sharpen your language skill. Back then The blue pigment was very expensive back then. By then He will get the result by then. Say nothing of/not to mention Time: over the past century from the past to present in the era of information explosion. in this highly advanced era With the advances of technology information-explosion era Vocabulary: undermine: Technology dosen't undermine a teacher's influence, but rather enhance their status and this trend is likely to remain. distinctive: French has very distinctive pronunciation compare with other language. state-of-the-art/lastest: foreign movie feature the state-of-the-art technologies to maximize our visual and audio sensation. mesmerize: You will e...