===== B1 Vocabulary Checklist =====
**What it is:** Useful vocabulary for opinions, work, and common abstract ideas.  
**What it’s for:** Explain reasons, compare options, discuss pros/cons.  
**Example:** “The main advantage is… However, one drawback is…”

===== High-value categories =====
  * Opinion phrases: in my opinion, I believe, from my perspective
  * Linking words: however, therefore, although, in addition
  * Work: responsibility, colleague, deadline, priority
  * Daily problems: traffic, budget, stress, solution
  * Phrasal verbs: figure out, set up, carry on
  * Collocations: make progress, take responsibility, meet a deadline

===== Mini list (starter) =====
  * advantage / disadvantage
  * benefit / risk
  * reason / result
  * solution / problem
  * flexible / convenient

===== Hard words (Glossary) =====
  * *abstract* /ˈæbstrækt/: trừu tượng (ý tưởng, khái niệm)
  * *drawback* /ˈdrɔːbæk/: nhược điểm
  * *responsibility* /rɪˌspɒnsəˈbɪləti/: trách nhiệm
  * *priority* /praɪˈɒrəti/: ưu tiên