"The bear would do better in its natural habitat and the agency would stepin if its condition deteriorated," they said.
他们称：“这只熊在它的自然栖息地会生活得更好，如果情况恶化，该机构将会介入。”
2
Each stepin a path expression can also contain a predicate that filters the elements that are returned by that step, retaining only elements that satisfy some condition.
路径表达式中的每一步还可以包含一个谓词，用于过滤该步返回的元素，只保留满足某种条件的元素。
3
Steps may have an optional filter condition written in square brackets ([and]) at the end of the step.