短語詞組短語while no significant change 變化不明顯has no significant change 沒有發(fā)生明顯變化had no significant change 沒有明顯改變showed no significant change 無明顯改變content had no significant change 含量無明顯變化Naked eye no significant change 肉眼觀察未見明顯變化there was no significant change 無顯著變化but no significant change in 無明顯改變level had no significant change 含量無明顯變化 返回 no significant change