preserving

/prɪˈzɜːrv/📚 14625 0高考四级六级考研雅思托福GREgmat
If you preserve a situation or condition, you make sure that it remains as it is, and does not change or end. 维护

noun [具体名词]保留,保存

He spoke about preserving the country as a secular state.
他谈到保持该国的非宗教国性质。

preserving 出现在下面的课文中
Lesson 48 Planning a share portfolio
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