xià / zǎi / miǎn / fèi / ruǎn / jiàn / shí / yě / yào / zhù / yì / lái / yuán / shì / fǒu / ān / quán / kě / kào

下载免费软件时，也要注意来源是否安全可靠。

When downloading freeware, you should also check whether the source is safe and reliable.