clear和clear out的区别
clear: adj. 清楚的;清澈的;晴朗的;无罪的 vt. 通过;清除;使干净;跳过 vi. 放晴;变清澈 adv. 清晰地;完全地 n. 清除;空隙 I 'm afraid you have n't a very clear idea either . 恐怕你也不摸底。 The fog of terror cleared from her eyes . 恐怖的迷雾从她眼前消除了。 He waited a moment and cleared his throat ....