推 SinclairH: Health is important為完整句子，只需要單純的連接詞th 07/17 00:11
→ SinclairH: at，而he said缺少受詞，know也缺受詞，所以要放複合 07/17 00:12
→ SinclairH: 關代what (=the thing which) 07/17 00:12
The truth is that health is important
請問這句爲什麼that不能換成what?
像I don’t know what he said一樣
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