Zhè xiàng zhèngcè jùyǒu yīdìng de xuǎnzéxìng, bìngfēi qiángzhì zhíxíng.
This policy has a certain degree of selectivity and is not mandatory.
Tips
grammar
选择性 follows the pattern verb+性 to form nouns describing a characteristic or tendency. Other examples: 可能性 (possibility), 灵活性 (flexibility). The suffix 性 nominalizes the preceding verb or adjective.