The method of calculating the poverty line is different from country to country.
2017年6月六級真題（第一套）聽力 Section C
柯林斯高階英漢雙解學習詞典釋義
ADJ-GRADED
有心計的;詭計多端的;能算計的
If you describe someone as calculating, you disapprove of the fact that they deliberately plan to get what they want, often by hurting or harming other people.