@@ -116,12 +116,15 @@ msgid ""
116116"*key* parameter to specify a function (or other callable) to be called on "
117117"each list element prior to making comparisons."
118118msgstr ""
119+ ":meth:`list.sort` 方法以及 :func:`sorted`, :func:`min`, :func:`max`, "
120+ ":func:`heapq.nsmallest` 和 :func:`heapq.nlargest` 等函数都有一个 *key* "
121+ "形参用以指定要在进行比较之前对每个列表元素调用的函数（或其它可调用对象）。"
119122
120123#: ../../howto/sorting.rst:56
121124msgid ""
122125"For example, here's a case-insensitive string comparison using "
123126":meth:`str.casefold`:"
124- msgstr ""
127+ msgstr "例如，下面是使用 :meth:`str.casefold` 进行不区分大小写的字符串比较： "
125128
126129#: ../../howto/sorting.rst:59
127130msgid ""
@@ -549,27 +552,30 @@ msgstr "不可排序类型和值的策略"
549552msgid ""
550553"A number of type and value issues can arise when sorting. Here are some "
551554"strategies that can help:"
552- msgstr ""
555+ msgstr "在排序时可能出现多种涉及类型和值的问题。 下面是一些有助于解决问题的策略： "
553556
554557#: ../../howto/sorting.rst:284
555558msgid "Convert non-comparable input types to strings prior to sorting:"
556- msgstr ""
559+ msgstr "在排序之前将不可比较的输入类型转换为字符串。 "
557560
558561#: ../../howto/sorting.rst:286
559562msgid ""
560563">>> data = ['twelve', '11', 10]\n"
561564">>> sorted(map(str, data))\n"
562565"['10', '11', 'twelve']"
563566msgstr ""
567+ ">>> data = ['twelve', '11', 10]\n"
568+ ">>> sorted(map(str, data))\n"
569+ "['10', '11', 'twelve']"
564570
565571#: ../../howto/sorting.rst:292
566572msgid ""
567573"This is needed because most cross-type comparisons raise a :exc:`TypeError`."
568- msgstr ""
574+ msgstr "需要这样做是因为大多数跨类型比较都会引发 :exc:`TypeError`。 "
569575
570576#: ../../howto/sorting.rst:295
571577msgid "Remove special values prior to sorting:"
572- msgstr ""
578+ msgstr "在排序之前移除特殊的值： "
573579
574580#: ../../howto/sorting.rst:297
575581msgid ""
@@ -579,6 +585,11 @@ msgid ""
579585">>> sorted(filterfalse(isnan, data))\n"
580586"[1.1, 2.2, 3.3]"
581587msgstr ""
588+ ">>> from math import isnan\n"
589+ ">>> from itertools import filterfalse\n"
590+ ">>> data = [3.3, float('nan'), 1.1, 2.2]\n"
591+ ">>> sorted(filterfalse(isnan, data))\n"
592+ "[1.1, 2.2, 3.3]"
582593
583594#: ../../howto/sorting.rst:305
584595msgid ""