| 单词 | not an exact science |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔exact science〕Forecasting floods is not an exact science.对洪水的预测并不是一门精确科学。柯林斯高阶〔exact〕Predicting the path of hurricanes is not an exact science.预测飓风路径不是一门精确的科学。韦氏高阶〔exact〕Predicting the weather is not an exact science.天气预报不是一门精确的科学。朗文当代〔science〕Advertising is not an exact science – you're always taking a risk.广告业是说不准的 — 你总是要冒风险。朗文当代〔science〕Economics is not an exact science.经济学严格说并不是一门科学。剑桥高阶Economics is not an exact science because it has to take account of political and social considerations.经济学并不是一门精确的科学，因为它得考虑到政治和社会的因素。剑桥国际 |
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