"ds Messenger" refers to a handheld game console of Nintendo. "ds" is the abbreviation of "dual screen", which means that the handheld has dual screen function. This handheld is mainly for young people and children, and it is very popular because of its exquisite appearance and portability. In addition to the game function, "ds" also supports many functions such as video playing and online communication.

"ESE" refers to the way of learning English as a second language. "es" is English as a second language, and it is an English education method designed for people in non-native English speaking countries. Under the background of globalization, learning English has become an essential survival skill. The "es" model pays more attention to cultivating students' pragmatic ability and practical communication ability, and is suitable for those who really need to communicate in English.

Although "ds is" and "es is" seem to be completely different words, they both represent a skill or tool, which provides us with convenience and support. "ds Messenger" is not so much a game machine as "es Messenger" is an English education. It is better to say that they are all different tools and skills that our times need. In daily life, we need games and entertainment to relax our body and mind, and we also need continuous learning to improve our competitiveness and language communication ability. The development of any technology and tools is to make us more efficient and convenient.