1、 A number of techniques developed since the 1950s, however, have placed the study of these subjects on a sounder and more objective footing.
但是，自二十世纪五十年代以来一些技术的发展为这些学科的研究提供了更健全、更客观的基础。
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2、 Mr Huckabee's ideas on health care are considerably sounder, and he sells them deftly.
Huckabee先生在医疗保健方面的想法则要好得多，而且他灵巧地推销它们。
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