自助

zì zhù self service

打包

dǎ bāo to wrap; to pack; to put leftovers in a doggy bag for take-out

APK 常

cháng always; ever; often; frequently; common; general; constant

Cháng surname Chang

安全性

ān quán xìng security; safety

找

zhǎo to try to find; to look for; to call on sb; to find; to seek; to return; to give change

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