1.tweak 稍微调整
He expects the system to get even better as the engineers tweak its performance.
他预计在工程师对其性能稍加改进后，该系统会运行得更加良好。
2.outweigh 比...重要
The advantages of this deal largely outweigh the disadvantages.
这笔交易的利远远大于弊。
3.material 实质性的
The nature and availability of material evidence was not to be discussed.
实质性证据的性质和可用性毋庸讨论。
4.appropriation 拨款；挪用
Other charges include fraud and illegal appropriation of land.
其他指控包括欺诈罪和非法侵占土地罪。
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