And since they usually have to write the speeches themselves, a solid writing ability is needed, too.

而由于他们通常要自己撰写演讲稿，所以扎实的写作能力也是必不可少的。

youdao

Have a solid master of a foreign language, with the ability of listening, speaking, reading, writing and translating.

能够熟练地掌握一门外语，具有听说读写译等综合应用能力。

youdao

Requirement: Solid phone communication ability, responsible, work and study hard; a strong ability to receive new things, good logical thinking; good English speaking and writing.

要求：扎实的电话沟通能力，认真负责，努力勤奋，学习领会能力强，能够敏锐的接收新事物，出色的条例逻辑性，良好的英语读写和口语沟通。

youdao