平台不得任意收集用户数据,必须说明具体用途和保存期限。Píngtái bùdé rènyì shōují yònghù shùjù, bìxū shuōmíng jùtǐ yòngtú hé bǎocún qīxiàn.Platforms must not collect user data arbitrarily; they must explain the specific purpose and retention period.
请不要任意改动文件里的内容。Qǐng bùyào rènyì gǎidòng wénjiàn lǐ de nèiróng.Please do not change the contents of the document at will.
假期里孩子们可以任意挑选自己喜欢的书。Jiàqī lǐ háizimen kěyǐ rènyì tiāoxuǎn zìjǐ xǐhuān de shū.During the holidays, children may freely pick any books they like.