4 sentences

1. 开发者需要不断地审视自身。

   kāi​fā zhě xū​yào bù​duàn de shěn​shì zì​shēn.

   Developers need to constantly examine themselves.

   Source: Dong Chinese Dictionary

2. 开发者需要学会直接与用户对话。

   kāi​fā zhě xū​yào xué​huì zhí​jiē yǔ yòng​hù duì​huà.

   Developers need to learn to engage in direct dialogue with users.

   Source: Dong Chinese Dictionary

3. 开发者需要调用支付接口来完成交易。

   kāi​fā zhě xū​yào diào​yòng zhī​fù jiē​kǒu lái wán​chéng jiāo​yì.

   Developers need to call the payment API to complete the transaction.

   Source: Dong Chinese Dictionary

4. 这个软件架构允许开发者轻松替换不同的功能组件。

   zhè gè ruǎn​jiàn jià​gòu yǔn​xǔ kāi​fā zhě qīng​sōng tì​huàn bù​tóng de gōng​néng zǔ​jiàn.

   This software architecture allows developers to easily replace different functional components.

   Source: Dong Chinese Dictionary