适宜 (shì yí): เหมาะสม

This kind of flower has high requirements for temperature and humidity, so it is only suitable for growing in the warm, humid regions of the south.

Wearing this dark suit to the interview is very appropriate; it looks professional without being too casual.

This season is not very suitable for traveling to the seaside, because it often rains and the wind is strong.

For beginners, the content and difficulty of this textbook are very suitable; it won't make people feel too overwhelmed.