负性传导药物往往无效，心衰患者对这类药物的耐受性往往较差。
Negative dromotropic drugs are not always effective and may not be well tolerated in heart failure patients.
尽管科学家在将信息传递给记者、最终把信息传递给公众方面发挥了一定作用，但人们往往还是将无效沟通归咎于记者。
Even though scientists play a part in transmitting information to journalists and ultimately the public, too often the blame for ineffective communication is placed on the side of the journalists.
从近处看时，自由市场和自由社会往往是紊乱跟无效率的。
Free markets and free societies always look messy and inefficient, especially up close.
应用推荐