重點講解：
1. come in 出現；流行；
例句：It was just when geography was really beginning to change and lots of new ideas were coming in.
那時正是地理學真正開始發生改變、許多新觀念興起的時候1^,ht2cFMmXsW。
2. be subject to 可能受…影響的；易遭受…的；
例句：The area is subject to devastating seasonal winds.
這個地區常遭破壞性季風的襲擊jvHWI@YMd+4zM;C95jx。
3. scale up 增大；增加；提高；
例句：Many companies question their ability to scale up cost-effectively in both countries.
在這兩個國家里，許多企業懷疑自己能不能以一種成本高效的方式擴大規模PLXe4DwIdo6xDr(TQ2。
4. state-of-the-art 使用最先進技術的；體現最高水平的；
例句：It's a state-of-the-art security system.
這是最先進的安全系統Yh7xX&#bW1tqIut%haCy。