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INTERMEDIATE LEVEL
Content
the thing deserving attention, pay attention to, is ☊ 
điều đáng chú ý là ☊
→ → →
like: điều đáng chú ý là → →
It was noticeable how a few people managed to impose their will on the others. ☊ impose ☊
remarkable that...: It is remarkable that nobody noticed sooner. ☊ remarkable ☊