adjective
free from harmful or unpleasant substances 无有害物的；清洁的 ◆ clean air/water 清洁的空气／水 ◆ the search for cleaner technologies 寻找更清洁的技术 ➡ green
not showing or having any record of doing sth dishonest or against the law 无犯罪记录的；守法的 ◆ He is hoping to maintain the company's clean record on safety. 他希望保持公司无违反安全的记录。 ◆ ( NAmE ) 无违章记录的驾驶执照
( ) financially strong; having little or no debt 财力雄厚的；债务少的；无债务的 ◆ The firm has a strong cash flow and a clean balance sheet .公司拥有充裕的现金流和负债少的资产负债表。 ◆ They are the country's biggest and cleanest bank. 他们是这国家最大、资产最雄厚的银行。
