Yes, to some extent it's true.
However, we might gonna look on some fashion-piece that never outdated.
Blouse is a version of dress shirt and usually a hip-length. It may designed with long sleeve, short sleeve or sleeveless. Wearing a blouse will give the corporate look and nowadays blouse has been design for many style such as street style, vintage style and so on.
Cardigan is the all-time wear. It can be pair or layered with any outfit. For the South East Asia climate, we might choose lightweight knit or chiffon material to wear because this it did not trap much heat when you are wearing it. Choose cardigan that shaped nicely at the waist and falls to your mid-hip. Choose a color that expresses your style and goes with pieces from the rest of your wardrobe.
3. Black Pant
Black is always labelled as classic, formal and elegant. Having to start your career, its a must to have a black pant.
4. Pencil Skirt
If you love to wear skirt, having a pencil skirt is a must item to have in your collection. A knee length pencil skirt is classy, sexy, and flattering on virtually every body type. If you are uncomfortable with a slim fit, choose a knee length skirt with a straight or slightly A-line silhouette. The skirt should fit comfortably around your hips and thighs without bunching.
5. Black Pump / Heels
Again, black is the classic colour and timeless. Having a black colour heels or pump is something "a must" list you have to consider. You can match any colour-outfit with your black heels when you out of idea on what to wear.