让我们来分解一下：<start_function_call — 函数调用开始，call: — 前缀，change_background_color — 函数名，{color:<escapered<escape} — 带转义标记的参数，<end_function_call — 函数调用结束。
Thanking the astronauts for their resilience and flexibility, he said SpaceX had been a "great partner".
，这一点在搜狗输入法2026中也有详细论述
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[[ anyRcv isNil ifTrue: anyBlock ] -> [ anyRcv ifNil: anyBlock ]] brewrite preview
To: Vijaya Kaza, General Manager for App & Ecosystem Trust, Google