Hence, it should be visually apparent and it is preferable for it to look like a button in appearance.
因此,它必须在视觉上引人注目,而且最好看起来像一个按钮。
Use of a supraglottic airway device may be preferable for rescuers who are not highly skilled in tracheal intubation.
对于气管插管技术不十分熟练的救援者来说,采用声门上导气装置可能是更合适的选择。
While comment and reaction from lawyers mayenhance stories, it is preferable for journalists torely on their own notions of significance and maketheir own judgments.
尽管律师的评论和反应可能会增加新闻报道的深度,但是记者们最好还是依靠自己对于事件重要性的认识来作出判断。
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