He analyzes the weak lecture, learning lessons for the future about what works and what doesn’t.
他分析了效果不佳的讲座，为未来吸取教训，了解哪些方法有效、哪些无效。
Most journals are weak in statistical review, and this damages the quality of what they publish.
大多数期刊在统计审查方面都很薄弱，这损害了它们所发表内容的质量。
Although ethics classes are common around the world, scientists are unsure if their lessons can actually change behavior; evidence either way is weak, relying on contrived laboratory tests or sometimes unreliable self-reports.
尽管伦理课程在全球范围内很常见，但科学家们不确定这些课程是否真的能改变行为；无论哪方面的证据都很薄弱，依赖于人为设计的实验室测试，或者有时不可靠的自我报告。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。