| | - : Mandatory
- adj.: integrant, necessary, needful, obligatory, essential for a purpose, that cannot be done without or avoided
| | nán miǎn de , bù kě bì miǎn de , miǎn bù liǎo de , bù kě táo bì de , bì rán fā shēng de , bì xū de , bì bù kě shǎo de | | shēng mìng bì xū de xuè yè | chuán shòu zhàn zhēng bì xū de jì néng ” | |
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