wèi / le / bì / miǎn / jié / wài / shēng / zhī / wǒ / men / jué / dìng / xiān / bǎ / hé / tóng / zǐ / xì / jiǎn / chá / yí / biàn

为了避免节外生枝，我们决定先把合同仔细检查一遍。

To avoid unexpected complications, we decided to check the contract carefully first.