Facing new restrictions and calls to be banned in the US and Europe, the popular app faces a fight for its future面對美國和歐洲的新限制和全面禁止呼籲，這款高人氣的短影片應用面臨一場艱鉅的生存之戰。
On the face of it, TikTok makes for an unlikely threat to national security.
從表面上看，TikTok不太可能對國家安全構成威脅。